, RESTR ICT ED s.c:urity Information
TECHNICAL MANUAL FOR RIFLE, U. S., TYPE 99, JAPANESE CAL. .30
ll ESTR ICTfO Security . Informo tion " 1 . ., Contents
Genoral
Par.t Qte I CCI'letructton and Function
ehaptor 1 fW'le
I Construct1 B Reeel\fer Group C Bolt. .0 MDgo.z1ne ! St.ook Group II Funotion of Breecb Mechanism Chapter 2 kC"lIlIorles Chapter.3 BayOllet and £.c01l880l" lee Chapter 4 Ammunition Chapter 5 Spare Partll Part Two: Haodl1n8 Chapter 1 Disallsetlbly and J.sseably I Nor/ll!l.l D181!U1881:1bly end &.s88mbly II Speoial Dlasas88mbly and .assembly Chapter 2. Precautlon8 in Handling Cblll'ter.3 Pecting 18rt 'fhrelll Preservation Chapter 1 Care I Daily Care II Care Before Firing III Care After Firil'lg rv Carll During Special Instanc8e Chapter 2 ~tore.ge 1 1 • Chspter J InSpeCtiOll 100 meter unIte. Both sidell or the rear deht leat are notched at t ho above 1 General Inspection mentioned intervals to engage t he rear sIght slide eate'l when tho upper edge .A. Care of tIle slide c oIncides with t he previoue17 III!IntIoned e tched lines . The circular peop 8Ie:ht formed at the bottou by lOfferIng the rear si ght loaf C Functioo hi used f ar firing at rangeG of 100 mters. The 8olll1circuls.r reap &i ght. D Damage forllOd. by raisinS tbe rear sight loa!' and. slide 18 used far firine raflee::l II Inspection Before and Uter liring of 2CO !tOters. III Inspection of Stared Rifles The farward edge of the rear s i ght leaf SllI' i fig 18 dovetalled and fits Chaptsr I Ritls into Llw rear sl Sht base . It i:J held in place by set SCTen . The rroJec- I Construotion tion on the upper surface prevents tho rOtlr uight leaf frOI'll tlOving to the , Barrel Group right or l eft. Tho spr1.ng I s curved upMrd so t hat it COnstant ly exerts 1 Tho Inside of the barrel is dIvided into .. rifled s.otloo. challber, upward prOSSlU'8 on the 10'Pl8r ond of the rear r i ght baf. • bolt face seat. The lI ild. 111 ins erted 001.0 the reer sight Ie",f and is held in t he The rifled eeetion conai st8 or tour 1'ight twiet ritllnlS ... boae land deaired position by Mana ot a s;:,ring loaded catch. The 1'e8r sl£ht set eurface ia CbrOll'oII plated. The chaar i a shape,d to tit th. cartridle 8cru on the upper rigbt s ide preV8nts t.., elide !'roJ! s U pping ofC . Ths and its rear partion ls rounded to farlll a bolt tao. ee .. t. IIprln£ leeded elide catch h acrewed on e.ech aide of t he e Ud" by a s l N " The bolt £ace lJ8at aide in guiding the eQlullition and baa an extractor pin . The center peep s i ght is a liened ... !th the front s ight t or tiring rllnges groove on the r4!:ht aide. Tb8 outside aurface or tbe rear ent!. of bolt talle of JOO to 1500 IIIOteu . The catch of the s lid8 thl'OIlf!h tho aotion of th8 seat is threaded . mer the receiver i s screwed 00 to tbe barrel, it 1e apri ng enlag8e t he UOOVOS OIl bot h s i des of the rear s i gbt laaf IiIDd bolds aligned dth the ltarker. the slide in its 'VarioUS elewted poslt1or.e. Q, each s ide and at the back 2 The barrel att aclmante coneiet of rear eieht and rear eight baae, front of the elide :Is an antiaircraft leed Bieht arlll. The anti.alroratt load sight and fr ont al lht base . 8ight arBl has two scaled notche8, 2 and J . at the bottOIll. Notch 2 fa ~ed The rear Bight ba8e is IIlOUTlted on tbe rear of the barrel and 1a pre- 3 far firing on a ircr aft traveltng direct IlOr izontal diste.nces tor 600 yard a vonted from moving by e s trali rear sigbt Osee sore" and a 8Nli rear sight at sneads of 125 lII.1ldS per hoW' and Notch 3, at Hf'6edS of 185 m.1ltls per tipx'ing ecrew. hour . The antiaircraft lead s i ght 801'111 i tl attached by antiaircraft IMd The rear s ight leal' is pivoted by a rear silbt Jolnt pill and lIILintaine U~I scr81'18 . The Bj'r lng attached to the botton holda the antiaircrart a1'1II 10'llored and r aised positions through rear ailbt sprinl IICtion. The rear in foldeJ and extend ed positlor,s. v.:aine its oporat.ion t lle a1rcl,.. ft is sight I eat' is graduatJtll from JOO to 1500 utere by etobed lines _paced into sllaned dth tlu:~ f ont and "eN' s ight ana fjr8\! upvn when it 8nUlr n the 2 3 I proper notch on tl'.e bottol!) of the antilti.rcraft lead elj;ht &rill. uoove 1B wWened to house t be boH lOC l'J.llg lug. en the tor llUrf ace of thIs The tront slg!'lt blade is dOTIltallod tightly ir,to t he tront sieht bass. housing 18 a gae par.t which permits g88 t o osotlpe. An ongraved Crtlst i s The l'rout slght be.!le i s a t.tached t o the forward end or the barrel and held lOCAted in the for1l'!l.rd portion of the gas port, and an engraved figure in pOI'l1tlon by the l'ront sight base pin which 18 inserted hOrl 10ft to right. "Type 99" , reading ~O lil l eft to right, is l ocated t o the NIM' or t~e gila The lJne fC'l'Did wlth the !'ront sight base ud the tront sight is determined port. The f'r ont end of the inside groove 111 alao ... !dened to provide passage by ~ro-in8 . Two £hould6Ts which project upward frO.f!l the front S18ht ba.St'l for tha bolt retaining lug. At the Teal' of t he Tecsiver ther e is a groove tlerve S!l CUfU'da tor t he si6bt blade. tor the t ue on the setety knob and anot.herpoove for the s&ar catch. .1 UOO~. B Heceiver Cr oup Oil whioh the safety catch lug rides 18 locat.ed 111 the sxtended pOl"tion of The receiver houses the bolt. The upper aurf a.ce or t he receivOt' bea the receiver , Thh g.. oove curves to the left. wld n r 'S8 &8 8 eulde and lock tf;O BO\l8611 holes . The one r.hlch Is c ut out !'rom the top t o the right eid8 fur t he safety cstch lug when the rUle is eet 1,ri safety posltioll . S8rV68 (W 8 reCelV6l' port during loe.dtnB eoo as ell ejection port afteT tiring. 6 Receiver attachlr.ents consist of. bolt lat.ch, ejector, slar, triseer, The cnTtridf,(o clip housinG i s forlllSd by t he rear Bect.ion . Tha othar hole and reooll pl ate. sel'YS S as a path for t he bol t handlo . It 16 slanted tonrdo the tront on" 7 The bolt retainiJIg latch esselllbl] fits on the left reM' elde of the to facilitats the acti on of tl:tl bolt when it is !lulled back. receiver. The sear catch always rroJects out through the action ot bolt re T'nere Is 8 Ions 11I.rrow reces!! along each Bid e of the rece!ver in which taining lat.ch Spr1n8 attached to t he bolt retainer . It engages t.he bolt the bolt rides . Serial r.mr.ber or the rifle and t he nellIS ot the manutactUl' retatning lug and lbdte the bacDiard II'oOVtllIlI!mt of t he bolt. In order to ine fLT _ are 8n81'avOO below the groove on the lett aids. .1 alot. wbich engagal rlllOye the bolt frOIl the receiver, the bolt retaining lat.oh 11.1 pulled out to the bolt retainer Mes, and lip of ball ntainor, and an eJeotor groove are dbengase the catch. The ejector is attached to t.he bolt retalntne latch four.d on t.he rlar lett s ide. Maeroly by the latch scre" aNt projocts into the eJector eroovo or the The sear rin seat is loeated to the rear of the rectaneular opening at receiver by th\! act.ion of ejector spring st.lached t.o t. he bolt. reta11ling latch tho bottom. Tho safety lock hole i8 locat.ed on the forurd aection of the Bpt' i(18. sear r in seat ar.d f!rinE pin caLeh hole in t he rear leclion. The fonard Then tho bol t 15 brought t o t !!e reu I the Ijector riding 011 t he ejector ancl rear receiver 1ll8s are drilled f or lor.g and short receiver screws. The eroove st.rikes the botto. of t he certr1ilge end throu tloe certrldee out to ~ cr a \ll S are us8ll to attach the trigger guard to the receivfll'. The butfer aoo. the riGht. The cetch of the bolt. retaining latch elves proper pooillon to recoil pIate aro attached to torward and rear l ugs, respectively, til'ld serve the ejoctor "'hen the boll is 1'8l:!Oved . t o lrc.nsm1t rscoil IIhock to the stock duri ng ftring. 6 The sear haa s tiring pin catoh on the rear end and a M rety lock 011 en each side of the inner surface ia a long1t.ud1nBl groove which per the !'ront end, and is at lB.ched t.o the seer pin seat or t ha receiver by l".8ans tdts the rldlng of bolt looking l ug and ext.ract or. The ronard portion of t.hl or the eear pin . 4 5 I • Tho trigger 16 attached to the seAl' with s trigger pin and fOJ'lDa a which is recused to limit the for1f&Xc.1 l.'Ot.lon of the f1r1rlg pin durIng til'ing. largo and sltBll wavelike knoll. The large knoll engaees the lower surface the front eDd or ita head is called the breech surface. Tho embanked of t.h. rec.iver and adjusts the projection of the firing pin catch w!thin 1\18 .t t.he bead f'lmotl,one together with the lIll"tractor unt.il t.he cartr Idee la the receiver. The catch 00 the tront end engages the bottoll! of the BeAl' extracted. 1'be lUBe on both aides of the head are oalled the bolt lockinS and seta the J'I08ition of the trigt;er. The sear ara-lng encircling Ule catcb.a aDd the lua to the r«&r of tbe lort bolt lock.ir:g lug 15 called the safety l ock, pivots around the aear pin and alp yt. hold a the firlng pin bolt rete.1niJlg IllS. 1M narrow goo". extending t.iJrough tho centero ot catoh in projected position 'rithln the receiver. the groove oONlect. with the firing ph. cbubar and porll1te glle to escllpe When the tr~ger is pulled to the first pMlle (when t.he trie-ger play fro. the Fl_r. The bolt l"eta1zling lug engages the bolt retainer and 16 taken up) J the sear spring 10 forced, and the bJg knoll turna whUe li.Idt. the back... rd movement of the bolt. The elliptioal hole I!I1.dway be- enijag1ng the lower el.ll'fsce of tlle reclever. 5in.llt.aneoullly lI'ith the engsE,Lng t ...n the boll looking lUiS and toward its raar per~t8 the ga. to escape of the knoll dth the lower surface of the receiver, the firing pin catch trOll the bolt housing and at tbe SBIr.8 tillie lrlCUCllt •• the positIon for 19 lowered to a certain extent. When tho trigser i8 pulled to the second assembling tho extractor. TM I'I%trector collar .hich adjoins t.he bolt phase (~h.n the sear i 8 engaged), the sear 8pring i s subjected t o £'urther reta1nini lug Is attaohed to tha extractor and perllih natlD'al turnws • • prU8ure, the rirbg pin cet.ch ill lowered C'urther, ond the safety lock ia Two aballcnr groov811 OIle to the right tront and one to t.he bott.oll !'ront or placed in tte safety lock groove of the receiver. 'l'hI'ough such action of the bolt handle, are fO\D~ (-:J the bolt. houdog. The right tront grOOTe the Nfety lock, ssfety action 19 creeted. III short., the opening ot the 11 the alot tor the sai"ety lot'k durine: fir1r1e. and the bot tOG front ia for bolt handle is pre'\'ented during dbcMrt:e and the pulling of the trigger is the wety lug during the backward I:IOveuot at the bolt. when t.he Bear prevented when the rUle i s hal! cocked. oatoh presses the aear dOllD . Approxi... t. ely OI'Ie - 1''''11' of the circullf'erence 9 The reoot! plate is attached to the rear of the receiver. The rear lug to the sear ia out off in fork shape . The elcD8ated out-off ill called the tho receiver Ie inserted tnto t~s forward hole. It. h conr.eoted to the onall-obaped sflotion and t.he shortflr cut-off i6 oalled t.he 8uiclrcular trigger guard by 6Cr&1iing the trigger guard Icrew into t.he threaded hole in seotion. l'he anall-abaJ'I6d section, tgget.her with the turn1! i of the bolt the rear end. Together dth the buffer, it tranelflits recoll to the stock boWlinf: serves to withdraw the firini pin ao it anisgea t.he sear catch, during d i scharge . Furthermore, tocether with the trlCEer gua.rd it str(!ngth- and ita bottom portion beogr::~a th. slot for sear cut.oh dUJ"lll8 firir.g. Tho ens t.he rifle ~i p . S8D'11C1roUlal' seoti on becomes the slot for the 8e/ll" catch when the riring C Bolt pin 18 "ithdra'll1l. A collar on the rear end of t.he bolt hOUflini engagea Ths bolt consisting of the r ollOlfing j"tIrta 1& aUachM t.o tlle reca iver I 10 the grogve on the 111aide of the safety knob snd holds tie bolL houllin8 and Bolt houaing, firing pin, firillg plll spring, safety cstch, extractor, and the safety knob t.ogether. bolt o(.over. ~ emall proJeotlor. at the rear o! the bolt bandle engages the notch 11 The bolt housing contaIns a firing pin olll\JWer , ~ ort:ard portion of cut tnto the outside of the sar.ty knob, and duriLg safety, together with 6 ' 7 I the safety catch, prevents the bolt bandIt'! from 0t'erdl1g. Tbe safety knob t!haft !Is the principal elelllllnt in the bolt asse~ lbl¥ . Tb& f1r1:r'i pin assembly, consistit!g of striker end the flrllS pin 11111 projaction on the center of the shaft fits into the l ong narro'll groove SlFiI1g operates in tthe fiXing pin chell!ber of the bolt hous1l!C . The right. and opertin8, at tho firing pin spring chal:lbor ana fllCilital.lIs the asser.-.bly inside eurface at tbs rear of the fUiI1g pin hae e longitu:linal groove at the bolt. During sssembly, tocetbsr with the eafety knob l ug, it pre term1r.ating et the equare opening in its forward cnd. TIlie opon1na i:l vlilnts the firing pif1 frortl turning. connected to the long narrow openirg on t.he upper surfece, These uoovae The safety device turn!) the firing pin to the right, engages the Seal' and openir.gs serve as pa,esHges for tho projecti on on the safety knob shaft cstch Lo the l£t sear slot of t he rt!ceivllr, and prevliITlts oOl'll'ectioTl between (juring tl.6selT.bly and dbasseu:bl,.. Furthermore, the l ont; r:arrOYo' op8ining the sear a.nd firing pin, serves as a raes8(lt'l for the !:'l'ojecticn on the se!'ety knob shaft d uring the 15 Tho eJltractor 1s 8 flat. piece under s pring teneion . Its tip engages fal'wo.rd 1:I0tion of the firillg r>1n end prevents t he flr~ pill froll t.w·ping the l'ear ~Tl d of cartridge and exlrttct.s It.. The projected section to the freely. The proJecting portion at. the l'ear of the firwg pin Is called rear at the tip fits into t.he groove at the head of the bolt casiI1g which the ~ear cetch. The sear catch engagee the firing pin catch 8.Ild comprflsflt!;1;1 prevents it from slipping forward, t he firing Sprblg. The slI'all circular port h. the froot I s a gas escape . The hollowed portion OIl the back surfeoe of the extractor engages the 1) 'Ihe firing pin spr ~ng housed in the firing pin spring cbu.bl'l r activates project.ed portion 0.£ the extractor coller au! holds t he erlractor to the the f!.ritle pi n lind reintaille the pos ition of t he 86fety device. holt housing. ":'lhen the holt handle ie opened, the extraotal' raMins in 11, The I'" r",t.y Imoh r.onner.tn with the bolt hou!!inc snu t he f!ring r i n t he rieht ina ide UOOVfI of the receiwl' without bein~ affected by the turn lIT1(l eneages the safety device. 'The rear ~Ol'tlon of t he ".nob i a knln-led illg of t he bolt. housing !l' ince the e>:t.ractor collar turns frellly. with a srwll semicircul.er !lotch at t.he left side and eefety knob 1\.14: et 16 Since the bolt COVill' is attached to the receiver by r.eane of bent tiFs the bottom. The safety knob lug fits into the groove at the r ear end of on both sides, it covllrs tha upper l!urf6Ce of the receiver snd prevents the reoeiver and prevents the Bafety knob 1\" 01:1 t.urning. dust frOI'! entering t he receiver, flhen the safet.y knob is locked hy preeSillg the safllty blOb f orwar d and D )'e.gto"tille turnir,g t he safety knob l ug to t he left during cocked posi t.ioll of the bolt, 17 Tlle rraeadne consista of magezine body, trigger guard and their the right side of th& notched aection or. the ouUide of t be eafety knob uccessories . The body is hax shaped end contains a follower !uid e mags.zine ent;ages the sooll projection on t he rear of t. he bolt Iland1e sed rrevents spriIlg. It is ussd f or loodlJlg tUIII;;unition. !he fr on t and beck of the the raisinS of the bolt handle . C\le - ba lf of the inner circumfe rallce has ~"bgadJle are attached to the trigger guard to px' l'Ivent it !r O ~ 1 s Upping out a shelf-like re("ee9 iOhlch engagee t he collar on the rellr of the bolt housing frOIil t.he stoc k. alld Musea it t.:I f unction to{:ethll l' dth tho firing pin epring. 18 'Ihe t:rieger tuard forms a sest f or the fl'l9.ga?line and ellrW6 s e a shield r ar t !m trigeer sl:d as r e-eI1 f Orcelf.ent f or t he stock grip. It is attachlld 8 9 I t.o t he bottol.'! or tbe stoek with three emaIl lIorews. The long lIOuth towards Tb. botto. front section of the catch hall a claw and the rear Bllction the froot. holds the bottolD end of the IIIIgadne , The floor plate catch housiDg u inletted. ! uaU bole in the center of the body i s used 88 6 cetch hook 1B located at the rear seotion or the long lIOuth. for a tool when the noor plate catch oan not he released b:y tinGer. An The 8bort 8cre1ll bole for the receiver Ie located at the forward tip or the .ruptlcd hOle on the top sm"face or the body tcsether with II 8tell screw trigger guard . The trigger guard screw hole and a rectangular hole are round eonuoh tt. IIOve_nt of the tloor plat. eatcb. at t be rear end and center, respectively. ThuI, roolll. for operation or 'I'ba sorell' 111 inserted into the elliptical opening on the t op of the trieger is provided . The 5er:dcircular guard whioh proteots the trigger MS floor plat. ce:tcb and screwed m to the trigger guard , The epring 1& fitted a al!lllll hole i n the front end as a recess tar t.he floor plate catch. A long into the RJ. 'IIith one eoo being supported by the reAl' erod of the floor plate set lIore1l' hole ror t be receiver is loeated at the nar of the other end. catoh houaing. It constantly e:zerts torn.ro pr8B8ure or. the cIa'll ar.d prevants 19 l'be trigger guard tlcces60l'ies consist of the follower, megadn& IIprina, the claw fro .. releasing the floor plate. floor plate, floor plate cstch, trigeer guard screws 4nd the long e.nd short When the floor plate catch Is pullod to the rear I preslIUI'e I s applied to set tlCr8WS tor the recoiver . th. catch IIprIng, and this disengages the oatcll frolll the floor plat.e, thereby 20 The f oUO'I'Ier is fl long narrow rlate, the top surface of which 1.8 angled. causing the floor plata to open . It is contained i n tbe IMIga r.ine Ilr.d tcgether with t he magazine spring, rahes 24 '!'be trigger guard Bcrew p8U8S through the sore'll sleeve att8.0h!Kl to the the Sl!IlIrunitiOIl in the rree:a2ine upl'l'srd. &. clup far holding the mgu1ne etock aDd oonnects the rear. end or the trigger guard to the rear efl(l of the; aprine I s located in the fron t under side of t he rollower. 21 The I!Wlgszine spring is an Rll'" shaped flat. spring, the narrow end of 'IIhioh 25 The lmg and short receiver screws pass through the acrew sleeve attached is attached to the foll01l'er; tb8 other end is conneoted to the floor plate. to the stock. Th. 10118 screw conneotl the rear end of the s8lld.circuler por rt conet.antly e:li'erts pressill'e to raise t~ ammunition in the 1llIII.ge.lI1ne. tiOD of the trigger guard to the rooar projection below the receiver aM tIle 22 Tha hont er.o of the floor plate is atucbe trige:er guard magazina opel' irli hy meanS of II. pin. J. srulll recess in the below the receiver. The short Bcrew il the shortect one in Lhe trigeer center of the floor plate engsges the floor plate catch and preventll it gUlird group. frOIl opening. J. lip i s provided 01} the bs.c1c of the floor plate for inserting E Stock Group one end of the magazine spring. 26 Tha rUle stock 1.8 mde or walnut and its entire surface is lacqU6l'oo. 23 Tbe floor plate oatch 18 attached to the floor plate catch hOUDing or 1'bs rille stock i8 used to hold t he rifle in firing and tiS a wearon with the trigger guttrd. It consistll or the body, scre'll and spring. It is n]" the bayonet. It is attached to the. rifle by mEtan a of 6Cl'8W6, uppElr b&nd tillrl shaped and operated in the groove locat.ed in the for"ard end of the trigger lower band. FrOIl! the standpoint of convenience, t he st ock is divided into guard semcircU.uu, __- •• -tion... and ill Ilttacbed to the trigger BUN'd by a slI'411 three Eleot.lOlls ; nlllt08l1, the atock, erip. alld butt. screw. 10 11 I • The stock has a cleanin8 rod chamber and cleaning roil catch housing in 29 The upper bBnd together Jd.th the upper band plate covers the head of t.he thtl flooot ar.d 4 magazine housing an the rear. 'l'hs acre. hole located at the et.ock and compresses trn barrcl fl'0I:, the top. It. u l1tted to the cleaning band orlrog-.e !'root and of the steek Is U8ed tor the upper olate. Tb. holes rod catch base by ceans or two :'Icrews . The u pper ban d p13t.e 1 ~ atUched to follO'lling are used for upper band and lower band. reapectiva17. the upper band by insertba upper hand plate ,cre" rrulll ri6ht t.o left throug;, ... slIIBll hole is providvd ut the reaT right aide for l'apelr .. ark, and the screw hole located in tre forward section of the upper band. The ba.1onet groovee are provlded 00 both flidel5 in order to faoilitate boldina ..hen tiring. lug round on the lo"""r portion of the upper band is used for attaching the The front. end is notched to fit the upper \Jand plat.e and upper baod . '/fater dr.ill.gll hole for tl')e cloani ng rod chaaber is located at the tront botto. 'n'e cleaning I"od catch consists of the body, spring and seat. A hole 8er.tlon of the JrB.Rsdne hous!nJl:. for inserting the clean1nf: rod is made in the bod,;( Wld the seat. The body The trigger slot Is found at the Tear . j. longltuUnai groave which operates "ithin the seat.. 'fbe sprina fitted in the sprin.; slot, IXlnstantJ.y (l.coolNnodat.ea the forward projection of the reoeivar 1& found in the upper appUes pr8lJsure to 1he cleaning rod caten and CauS08 the hole cL the seat farr.ard Beettem of the stock. An aperture for the butter 111 located at the and the hole of t.ne body to lock. 'Ihus the body eJIi(8ges the recess of the baCK er.cl of this groove. Two vertical 1101s6 locat.od in the groove wbioh ILOCOIII- cleaning 1" 1I".008t88 the ~ ont and roa1' proJectiOlls of the recelvar. release tbe cleaning rod, tne body is presssd im,ard to disengage thl! cleaning The 10'llCr baIld locat&d in tN!! oenter of the stock 1& atuched by maan& rod from the body and the claani~ I"od h pulled out . or t~ 101'1el" hIt-nd screw. ~o narrow, long. IJJ'Id service holes tar tbe c1ean1Ila; )1 Th. hand gU.3.l'd oll.t.ah i!l at.t.a.chod t.o the .stock of t.le 100101" baud :OlOCliun rod chamber are f owd in the rear, interior of the oleaning rod ~hamber. located on the fOr"llard snd of the hand b'Uard in such a way that it holm the e;rip Bactior. facilitat.es gripping or tbe ritle dl.U"iJlg firinS. berel from the bottom. 'lhe upper surfacs or t~ hond guard catch clAmp, The hutt la !Tade frOD t.o l:8\.1,rlel5 MId t08f1ther by mans of dovetail into the hand g uard ana t060ther with the u:etal fl'8.tDe at the rsar portIon of The fQMIard JOints ar.d 1.:'1 TTovlded ldt!l butt sl1ng "wlvsl arod but.t r late. the hll.."l d cuaf'd prev-mts the Q'Overnent of tns hand ,;)lard. The rear end of the butt. 11; re1nforcoo by'" recoil :llate and tr1aeer guard. '['he lOll'er band 13 attached t.o the central portion of the stoc!c. It .a. screw sleeve 1& in8erted end ,jf tbe 'butt Is protected by the butt , late. tight.9ns the M..'10 euarcl and prevents nove!!llnt of the barrs!, It 151 attached into t!,e hole located at the rear of the recoil plate. t o the stock by reans of the l ower band scrOl'l . _~ ... .. 00 -olate upper bend. cleanl-"g 27 The stock uttaclulJlnts conslat w. upper...... • The lower band consists of the body, swivel, scre;,. and monopod . The rod cbt.c h, hand gw:.rd cateh (ahort ritle only), 10'/o'or band, burrel'. b utt sling shape of thfl 10'''er band for rifles and short rifles is different. slOivol, b;Jtt plata, bend gu.o.rd, .end cleaning rod . Itie IlDnopod consi::lts of the body, mount, IIKllnt pin, spr:l.n~ , spling pin, , tl stock and i8 attebh6d 1M upper banlj :-18tl! covers the fL"not e nd 0 1e and nut. The body is inserted into the w.unt 8J\d 13 e~agecl by lIIOunt pin 1b 8aoicircul.ar notch t o t ha upper bard by oaans of uppal' bend plate 8C1"01l . which connects the IIUlnt lind the lower bsnd . '!'he sprln~which is attached by 8Up;>OJ't S t he bend. 12 ' IS I spring pin and nut and !'rom both sides, IIlIl1nt:l1.ns the rno nopod in tolded or grasping t h e gun wh«l the barr el is heated. It, forwar d ooge iii clanq:led by erect podUon. Whm the ..,nopod. i.s J.blded, etc., the rr:.nt end hooke: the lower band and tte groove on it" bottom surface fits Oller the hand guard on to lhe upper band screw. The lowerirl6 of the mOl'loj)Od h prevented by cat ch. Its rear end, the iM8r surface of which 1s attached to a metal f'l'ame, locking. The :!pring pin is inserted trom the right side 81 d locked from the is inserted into the f r ont end of the TeaT sight base. The metal frame covers left si de with a I1\lt. tm barrel and together with the hand &lard catch, prevents th e hand guard '(be s'ld.vel of ths rifle is attached to the bottOlll ot the lCMur band and from 1Il0ving. that of the short rifle to the left si de of the 101'l'er band. It 1.8 used for The hand euard fo r the short rifle consista of the tDd.Y and JlEtal frame. attaching the s line. The monopod Can be bent conveniently accor ding to the It covers the barrel from the top and prevents it fro m moving and pr otects nature of the t errain. the hand in grasping the ritle when tile barrel 13 heated. Its rear end, the )) The buffer is an a ngular shaft i nser ted from fight to left into the buffer inner surface of w hieh is attached to a metal [r&IO , i s inserted 1.nto the front hole located in front of the /lBgazine housing of the stock . It is locked on end of the rear sight base. The nl)t.al frame covers the barrel from the top. t he left side by means of a nut. It sustains the forward projection of the Its front 8'1 d is c overed by the upper band '" h1Ch , together 'fd til the 10lfer recavar and together with the recoil plate transmits the reooil IiJ. ring fire band, prevents the hand g uard from lIlovi ng. The lower band 1s located about t o toostod<. three and one-halJ inches in front d: the rear sight base and holds the hand 34 The butt sling asaelllb J.;,t consists 01" the seet and lIl9iv-e1. 'l'he seat 19 at- guard and the stock together by IIEans of a screw. tached to the butt and the swivel to the seat. '/he butt swivel and 101'l'er band )7 The cl eanin/( rod is used for claaning and stacking rifles. A male screw S'Nivel are used to attach the slin&, l'he .!Jhape and position of the butt sling is provided Ilt the bottom end and a hole at the top end. When the occasion assembl,y for r1flh II'ld sha-t rifle differ. In the case of the rifle t he t:ut.t arises, cleaning rod jag, swab, and awdliarl cleaning rod can be attached to sling asselllbl,y is attached to the ixlttom of the hltt by means of lona 8'ld st'Qrt the male screw , A piece of wood cr cloth mn be 'inserted 1n the top hole to "crews. In the case of short rif-es it is attached to the left s ide of the facilitate cleaning. butt by two '/lood screws. Since the "eat of the butt .ding assembly for the II Function of the breech roechani!llJl 5hort rifle is elevated to limit the forward tripping of the 9"ivel, the s ling J8 The relationship bet'lfeen the receiver and bolt during tire iSI can be easil,y adjusted for slin~ng while weariOl a gas tllMk. (a) When the bolt is opened and fhe rounds contained 1n the cartridge clip J5 The butt plate is attached to the IJ'Id of the s tock by /Teans of long and are loaded into the ma.gaune l ocated at the front of the l1lc6iver, the rrunds .!Jna-t wood screws . It protects the butt 3ld strengthens the joint of the two depresa the follower and stack up three to the r1gj:J.t and tlfO to tJ1e left • materials whim for ms the butt. The rc:unds are raised upward by ceans of the magazine spring. )6 The ahape 0[ hand guaro for rifle and sn:.r t rifle differs. (u) Wh8'l the bolt 1s pUl!lhed fol'tjard. the clip is released by the pressure I The hand guard for rifle consists of tl"ll boc\y and lll!ltal frame. It cOYers exerted at the uottOlll by the bolt. The uppemost round, pUl!lhed from the rear, the barrel f rom the t.op , prevQ'lts its move~ l1t an'" pro tects the hand f rom 14 15 , I slides up the cartridge ranp loeatetl in f r ont of the magad~ port at the bottom and wlt from opening. At the sane time the firing pin turns with the safety of the receiver and ert.ers the charrber. At this instance the extractor engages knob, the sear cateh moves from the firil'l6 pin eatch, enters the left reeess the rear gtloove of the cartridge in preparation for extraction. MId disengages the firing pin from the sear, thereb:1 locking the tr:!. l!ser. (e) When the bolt is completely closed and the trigger pulled, the sear is When the 811.fety knob is l ocked, the position of the semicircular cut on lowered, this disengaging it. fm lll tJle cocking lever. The cO'lllressed firing the rear upper 18ft of the safety knob is chanSed t.o an upward posi lion. pin .spring drives the firing pin forward until 1l'le firing pin strikes the primer CMpter 2 Accessories of U\ e c &rtrilJge. Accessories include the folloong : At this tiwe the b:llt handle will net open since the safety lock has 1. Accessories bag engaged.t.h&:s ai'et;rlock groove of 1l'le bolt. Furthermcrs, when the breech is not Contents elosed properly, the trisger cannot be pulled since the safety lock will not Lubricating cord be in Jl.ttfe liith the groove. ThIllI', a safety meansure is provided. Swab and (d) -' ~ Whe J1) the -bolt handle i e raised and t.he bolt 1:9 broudlt to the rear, the swab container ejector, by means of ejector splings, !!Iters the ejector groove of the bolt Cleaning rod tip housing and ejects the cartridge, ·.tIidi has been extracted by the extractor. Awc.Ll1ary eleaning rod When the Lvlt. is pu ... led back fu l l.7 , it. is prevented rn.:.m slipping out of the Cleaning rod gui.ds l'ecfl'\. vl!r ~i nCe thl! bolt. cRt.ch I!nVle"'" t.h .. holt. r"'t.a~ntne; lug. Cleaning rod (e) When t ne bolt is again brought forward, the rext roU'1d is loaded, dis_ 2. Sling (Different for lons rifle II1d shcrt rifle) charged, 8:td eject.ed in t.he Sa'lle manner lUI the previous round. J. Ar.nunition pcuch, Type J. (r) When all of the rwnds have been 8X?8nded the follo..... er catches the bolt ~'ron t arnJIIllnition pouch face and prevents i ts advll1ce. This indicat.es to the firer that the I!I8.gazine Rear alfWllunition pouch l::nr'1 is empt.y . 4. Au~nition pouch, Type ~ 39 Safety CIl1 be Il'aintained by the saTety lock ann s afet:.y knob. The function 5. Ammunition pouch, type C of the sai'et.y lock has been explained in (c) of 38 . The safety knob in opera 6. Cartridge belt tion prevent.s the bolt. handle frolll openi~ and locks the trigger. In shert, 7. llil container, Type A, 2 1/2 ounces • the safety knob is operated in the followill6 IM rmer. When the safety knoh is B. Oil container, Type B (0.03 liter) 1 1/4 ounces pressed forward , turned 45 degrees to t.ne ri l!J1t., t.he safety knob catch enters 9. AUJllImition pouch, Type A, B, MC C j eartJ:;'idge belt; oil cont.ainer, Type A the wrved gr oove in the resr of the receiver and locks the safety krob. \'lhen (21/2 ounces); oil container, Type a (11/4 ounces) are used according this is done, the small projection at Ute rear of the bolt. handle engages t.he to respective maintemnce classificat.ions. races" 0:1 t.he outer fringe of the safety knob Md prevents the bolt handle 16 17 41 The accessod. bag is made of c&nvall, i. ten inche:=! 101'18 and two and prevent defacing ot the bore. 'lhe catch l'its into the mIt hllndle slot located one.oeighth inche:=! wide. It is opened ald closed by IlIIa'lS of a buckle type toward the re&r or the ",celvel' and prevents rroveMnt of the cleaning rod guide. strap ard contaiM the follo'll'ing : 42 The gun sling is attached. to the swivel, located on the lower band and (1) Lubricat.ing cord the butt, by mearu of the snap fastener, bUckle, and l oose strap. The length 'nl.is 18 used to clean the bore when time allows wring aarehell or can be .:ljuoted by means of the buckle. 't'ha s111\3 for t.he short. tine differs mJDbat. . It consista of a he!!p cord and wei&/1t with an over-&11 length of one in t.hat it. is 1dder, 25-mra shorter, and equipped with a snIP link at the lower /IIeter. When using, to loop on opposite end and pull through to clean or lubricate bore. sling convenient. (2) Cleaning rod tip 4:3 AIII!I1n1t1on pooch , Type A is tt-e general nomenclature for two front am- nus consist.s of the body an d the cleanins rod tip spindle 1t!ich is IWnition pouches and one ",ar alUlJlnition po.ach. !'he ,front pouches consist or sorllWed ont o the c.l8anini; rod or the auxiliary cleani ng rod. The bore is the body, belt loop, button, c Q1!le cting strap, Q)ver, l'Qstenlng loop, and cleaned by wrapping a clBanine patch a r Cll nd the body which rotates. cover fastener. The rear ammunition pouch Q)nsists of the bod,y, l' ast ening (3) SWab loop, button (wiUi "eat), belt loop, cover, cov er fastener, partiti on Md This is made of br ass, equipp'Jd with. brush (hog bristles)' Wid a fastening etraps Type A and B. 'the belt loop i.s attached to t he bayonet belt. connecting tUDe with a felllll "'-e screw at. the lower end. It is attached to the The interior of each a mr:.un1.t1on pruch 111 partitioned into two compartUJent" cleaninl!, rod cr the auxiliary cleWl.i~ rod and used in cleani~ the bore . which hold the Illi¥lUnition wr a;>ped i n a paper c ontainer. The r~r a"",,'nition When not in ~e it i., alw!.ys kept in the metal swab container t.o proteot Ute pouch is equipped .... ith en exterior c~artJ!lInt for oil container Type ,\ brush. (2 1/2 ounces) . There are two elliptical holes in the botwlll. t.o facilitate (4) '" C.leanint; rod removal of the paper containers. Yade of brass, it is used La c1e;:n the bolt. , recilivlJ r, a nd other "grooves. 44 Anm.tnition poudt Type B consist.s of the oody, belt loop , cover fastener Th e1l1\Qle "erves in attaching cleaning patches. button, fastening strap, buckle stra?, tutton, cover', cover fQ.lItener strap , (5) AWliliary c .lt!aning rod partition, fastening loop, and the belt. '!'he partition dividell the interior 'l'here are two rods ; one with a fewe screw, 8Ild the other ¥lith a male into t.hree cOlllpartrnerta. 1'he mitldle coa:pn rtdnt hold" 011 contai ner 'JYpe Ii ser e... . The faude screw Join" into the canni ng r od am the male sere-" into (11/4 ounces) and the Side cOI!lpartn6nts hold the arnnunit1un wrapped in a the clelC'lill8 roc tip or swab. WhlJl cleaning. the aux1lia ry rod is a t tached. p4per container. lt ie cC;uipped w.i.U! an exterior corrpartlf,enl which holds the l6) Cleaning rod gui de cleaning rod WId cJo:1!liru r od tip. It is alune uver the kft shwlder by Made of cylindr ical wood with a catch toward the rear . \'fhm cl.e811ing, trelln' of tne Ujltening st.rap (buckle str ap, bi,:.t.t.on ) and faetened a rQJ.n'i the this h attal:i!.ed to the.eceiver Ind the oleanins rod thru"t t hrough i t to waist by mean" of the belt . 19 " ' I 45 'AIIJlunitlon pouch 'tn>e C is a/IIIUnit.1on pouch 'tYpe 3 without the belt lrId 1he scabbard consists of a /aQ1th, ,aoabb&rd catch, 'Ild a pOinted tip. 'lbe tightanil'll: strap (buckle strap. button) . mouth reint'o rcss the upper end of the scabbard. A plate sprina is ""lded The curtrldge belt is made of canvas and reinforced on top and bottor:l by bel"" this. The ecabbard catch is attached below the mwth by lIIIens of a lMther. It is fast.ened around the waist by ~ans of the buckle strap and screw . The ba,yonet is fastened to the frog by means ot' the scabbard strap on tightenin..,; strap. It hal! larga, medium, and small pouches . Thera aTe two the trog . The pointed tip is welded and proteots the tip of the ::Icabbard • .l.&rge pouches which hold one ha:ld grenade each, six rnediun pouche!l which hold The plate spring which lei located within the scabbard sandldche8 the blade ten roun~ or .",munltion each, ard one 9111311 pouch Witch holds an 011 container. and prevents it from slipping wt. 41 011 container 'IYpe A consists of the body, applicator, cues A Rld B, 49 l:i!Lyonet accessories include the frog and the belt. The 'bayonet is attached and screw cap. Oil c ontainer Type B con.si,ts r:I: the bo spout, m d calles ,\ and B. as a aideal'lll. Chapter J The frog is equipped with a buckle and a scabbard strap. The belt is Bayonet and Accessories equipped ldth a buckle and strap. In the event the belt is too shert tor the The ba.vonet and oUior steel parts are aU blued. It. consists of the user, there is th e long belt Type A (B) . blade (hilt, potmel, guard, hilt griP. catch) and scabbard. 1'he bl.1.de 18 Chapter 4 Ammunition straight 'IIi th a groOVI!I on each si de an d an over-all length of 20 inch os, 50 lbe regular cartridge, Ball cal. •• 30. M2, consists of the cartridge case. 11\0 hilt h~ a iUlll'd toward the blAda find And t.h .. pnrMlftl riv .. t.flrI tn it primer, prop4ll.l.ent po,"cler III'Id l!. bullet. Ita over-all wo1&ht i5 )96 !jf'a.1t\.5 at the but.t. «ld. The b3"Yonet. lug e r oove 13 on t.re pOl!nlel l'Ihif:h 11.180 houses and its over-&ll length 18 J . 34 inches. 'lb- case ill made ot brass. 8J.llet t.he catch. The bayonet lug Otl the rifJe 1'ih into the b8yotlet lug groove 11.00 tip is plain a.nd W'IIlI8.rked. The bulbt is cOlllpoaed ot a gl.1din& metal and the act.ion ot the catch unite:J the rifle and the b.a.tonet. "llie catch which is a lead core. equipped wit. h a spring is insorted into the catch ha19ing from t~ rip}1.t and 51 Cartridge ArJllOr Piercing, cal. , JOt W2. This cartridge 1a a imilar in fixed in place from the .left by ImIIWlS or 8t1 escutcheon. 'rhe escutcheon is cetlter appearance to the cartridge, Ball cal. •.30 , IQ except that the tullat tip is • punchlKl . '1be end of the guard lt1..th tte round hole is knO'lfn as the "dragon' s black. The bullet consists of a gtlding lIIetal Jacket, a hard alloy s t eel head" and when the ba,yonet is fixed the other end is ktlOWtl as the "dragon' s 1 core, II. lead "T" shot point filler and a gl..ldin~ metal base tiller. tail". 'rhe eUily handled hilt grip is attached on b:lth sides of the hilt Cartridge tracer cal • • 30 ~( .I. This cartridge is used in titles tor by me adjoining the guard and the other end adJoining the POIlltl'.el. The screws are practice. '1hia car t.ridge is readil,y identified by the red bullet tip inserted from ttvil rlc?Jlt and se.lted with the escutcheon frolll the lett. '1'he blade stuls 7 1/2 inches in .enctb frOl:l the forward end. 20 ' 21 I inclLcating the color of the t.race. All far as the disassemb.lJ md Ib.mnbl¥ are CO:'lce rned, the 1'"ollOlling 53 Cartridge tracer cill. •• 30 K25 " (T-lO) . Thh cartridge 11 used in machine l!JJSt. be noted carefulq and "flY defecUve parts o[ t.he rUle must be guns primarily but. fN!t3 be used i:'l rifles abo. repai red iJmledl..at.el,y. '!tie differel¥:e between this cartridge and t he cartridge tracer cal •• )0, I Nor:tlll disa9sembl.,y and asselcol1 1111 hi that the ruUet from thi:J cartridge has a diM trace up to a?prox1mat.ely 58 Parts that can be dba 3:;l er~ ble.d by the usbg unit. 100 yar ds, then the brilitlt trace begins 81d conti nues to approximately 1,000 Regular diaassmnbli ea are: yards . The color of the bJ.llet tip 11 ol"llT8e. .11"" 54 Cartrid.6e blank cal•• 30 1&1909. '!hb cartrlda:e is used for silDl1l.a.ted fire I bolt in lII&I"Ieuvers ...-.d exercises, signallng PUl'ilOSeS and flr1.ng salutes. It is readi - I c18anln,g r od l,y ident1tied since it has no rullet. follower spring an::! the follaJler 5' Cartridge dummy cal. .30, 162 . This cartr idge i s ussd for trainina; per_ The aanerr.b l,y and disassembly of the sling are as 1bllows: sonnel in the operation of loadlng and unload!.. ng rifles an d s inulating rifle ( l) In order to disassemble the rifle sling, tire and in the i nspection of weapoM, It is easily identified by the three (a) Unfasten the link catch and break the connection with the holos dr illed in the cartridge casc and the absence of a pri mer. upper band. 56 Cartridge, Rifle Grenade , cal •• 30 , 10. 'nils cartr:l.die Is lcaded with (l::) Lcwer the strap. live craine of black p.,..d..r And f o rty gra1.n$ or 'lIIOk.l.au powd.r. This c:art_ (c) Unfasten the buckl•• rlc1g e Is used only with stmdard rifle srenades .. d srenade proJectJ.on adapters. (d) "When the end of the sling is Wlfutened fro:u the strap; Length ot cartrld&e is 2.49 inch •• 'the cartridge ~ be readily Ident:J.tied (e) 'nIe sling becomes detached from Ule bJ.tC. by the characteriatic ns" petal rose criap of ths IIIQ.L tho (2) In order to aasOllble the rifle Sling, Part 'l'w:Il Handling: (a) Slip the sling through the luck Ie. Chapter I Disassembly and A~emb ly (b) The Sling ia sUpped through so that th e stitches or the • 57 There are two types tA dilJ&.!selllb.l,y, regular and s pecial. Hcwever, the I str ap are on the left side of tt. rifle. special d1suumbl,y shall be l1.mited to repairs and other J1IlI c&.S8ary instances I (c) Pa.!s the IS"l d oX the sling frolll the rear through t.hs bJ.t.t perlo1'l'll8d by Orcin ..ce peraonnelllld the basic principle sha.ll be that it is ,ling swivel, not ClD nducted i n general. Alao the users of arM and sdloola are Jr0hibited ( d) Pass the strap thrl)u,gh. disanemblies other than those mentioned 1n thie chapter. Except in specially (e) Paas the m d or tAl ,ling t hr ough the buckle f~m the [ront mentioned cases, the assembly shall generoll,,:r be conducted In the reverse order side. to Utat or the dlaassemb.l,y. (t) Fasten at the apprOpriate eyslet.. 22 ' 23 I - (g) Place the end of the sling into 1.he atrap. safety knob will beCOIte detached fnlal the bolt hcusing. (h) Push the strap up until it is bela. the ruck1e. (2) Firing pin (i) Connect the front end of the sling "ith the lower band Remove from the 'r:olt housing 3'11'ive1. 0) Firing pin spring. 0) DiaaSSelllbl,y of' the short rifle sling. Remov e from the atriker (a) Unfaoten the link button and detach fro m the lower band. (4) Extractor (b) The removal of the ruckle, strap and the spring catch are Grasp the rolt housing wi. th tlle l\!1ft hand. After /IlOving the the 8M1e 88 with the r ifle. position of the extractor to above the elliptical hole. preas the ex (c) In the very end, tlle spring catcn is detacned from the rutt tr3Ctor fonrard and detach. slina swivel. (5) Precauti :.>ns should be exercised in the following cases in (4) Assembl¥ of the sh(l("t rifle sling. the di8llssel:lb~ Q'\ d assembl,y of the bolt. (a) Fit the buckle. (a) When relllOVing the I;Qlt. care shculd be taken so tnat the (b) In8ert the 8trap. butt will not be damaged by the sarety knob lug. (c) Fit the spring catch 80 that the open and close aection (b) In asselllbl,ying the extractor. align the extractor collar faces tne stock. ears witll the elliptical hole of the \xIlt hoosing, fit the hole on the (d) After this, the steps are the same as w\.th the rifle. bottom surface of the extractor, and with the left hand grasp the rult 60 In order to dstach the bolt, place the rifle in a horizontal position bod,y together ld.th tm 3pring porti;)n of the extractor, then press the with t he barrel facing up; while 8upport.i. ng the rifle wi th t It! left hand extractor ~tward lIltn the right thumb and pU3h into place .oien connects gra"p the bolt handle "ith tm M.Stt hand and place in an upright po3ition. it "ith the extractor collar. After assembl3, turn the extractor to the pull it completel,y backward. tllen open the bolt catch to the left with lett and engage tne projection bohind ·the extractor hooks 1fIto the groove the left thumb, Q'\d pull the bolt handle s l(ll'l'l3 backward to 1'8l11OVe from , of the extractor hcusinl!. then place it accuratol¥ over the rillt lock the roc~ver . ing lug of' the bolt. 61 The bolt is disassembled in the following o r der after the bolt (c) In inserting the fl.r.ing pin into the tolt housing. the cover is ri~t removed. sear lug !lUst be Jitted into the rear seu:dcircle, otherwise it will (1) Safety knob be i mpossible to assemble the bolt. Hold the bolt '.. 1 th the left hand and place the palm of the dB'lt (d) In f1 tting the safetl knob, the lug in the middle of the hand on the re and turn cOl!pletel,y to the li6tt then if the pressure is released the 24 I = axle 1s fitted into the rarrOlf groove on the In$1de of the rear part. receiver, the bolt retainer is openlKl outward, the bolt puehed forward, o! the tiring pin, thtn pressure il'l exerted. It it does not. enter even maguine platfOTIII depressed downward and assembly complet.ed . Then the atter application of pressure, tum dlghtl,y to left or ri."t 110 that t.rigger is pulled and tte fi ring pin 13 left. in t.he sear catch position. proper contact ia made. After the lI&l'ety knob enters, turn it compietel,y 62 In removing.. ttl e c leaning rod. place the r HIe in a vertical po.s1. tion. to the 111ft then relieve the pressure. wit.h the barrel lacing frontward . WitJ'l tha left. hand graap below the (e) l! the sear lug of t.he tlrlng pin is l1tted by matalto cleaninc rod catch and press the catch with the I1IWl1b. Then Uft alt into the lnall.-shaped portion at the rear of the bolt. hOUsing. grup t.he cleaning rod. the bolt housing 'll'ith the ltItt. hand, prllss the saffltl knob aufficientl,y 63 In removin& thl! follower spring IIld the follower, pull the floor with ttl! nilt hand and turn the sear lug to tlle r11ilt. along the snail plate catch. Aft.er the floor plate opens, grasp it "il1l the left hand . shaped part. After it stops, reapply pressure and "hen the fir1ng pin With the riiV\t IwJ:I. grasp tho 10ll'or blade of the spring slightly above spring willlllOVe no further, the sear lug 13 1l.tted into the semicircular the bent portion, lift upward slightly and pull back"ard. Thill it will part. Then tbe safety knob is rotated to the left. It ill now correctlT become detached from the floor plate. The follol'fer and the follower auembled. apring are also disassembled in thl! satle I!I8mor . (t) If throu61 error the bolt is placed into the racsiver II Special disassembl,y and asselllbl,y. (Dy Ordna1ce peraonnel onl.y) withrut aaaembl,yi", the extractor, withwt forcing an,ything. first 64 Special d1.sassembl,y is I!xe\::utlild after the regular diSMsembl,y are: ascertain the po5it1on of the safety knob lug. Then after guiding f ront upper band an:l. the Uj:lper band plAte. it ca"rectly to the right, ax.tract UtI! b:llt dO'l'll,y. v."nen the ex iD.ar band . tractor ia bm.ng detached bI!IClllse or jamming during tire, after the Hand guard extractor collar 13 1II0ved to the dght e1de, the bolt is puahed for Barrel 80:1 receiver (base maintenance only) ward carefully and the sxtractor ill «I8&&ed I'd. ttl the extractor collar. I6agazine 'then the bolt 1s p.i.Ll.ed oeck. Also when the empty cartr1d&e case Floor plate catch remains 1n the cartridge chamber due to jamming, a clean cleaning rod Clea~ rod catch is inserted into tte bore and the cartridse ejected befa"e engaging IiItt plate the ejector. Butt sling swivel (g) When the bolt is f1 tted into the receiver, the cor r ect ness of the: b:llt assembl,y is rechecked, the catches on both sides of the !:olt covers are titted into the grooves on the outside of the 26 27 - Ycnopod Cir!lt. rtlmave the smU 1 :rear sight screw and detach the :llide from 65 The order of the special di5as,embl11S as tollows I the rear SilPt, Next, Ul\screlll the left end ri ~ t sUde cat.ch pins (a) Front. stlflt bue and Iront !d.ght. then det..lch the sUde catches and slide catch aprings !rom the slide. Uter the ca1lked pin is extracted frolll l:1/1lt to lett, t .. e seat. In the disa:lsembl,y of the antiaircraft lead s ight. anns , the a:'ltiair ie tipped forward. 'lbe sight can be pounded rut either tftIm the left craft lead sight arm screws are Ul\a crtnred and the a 1'!llS r emoved. Th e or l1~t. Care lIIlst be exerciseli net to damage the front sigti; bl4de. springs are rext detached. The spring will beCOll:e detached it p ulled WMn realilSelllbl"d it !D.lst be zeroed-in asain, the old laarker line erased abo.lt ttree millimeters froa the outside in'lfard. and replaced by a new fIlIU"ker 11ne. I n t.he disas9l!mbl,y of the rear sight base, the r ear sight base (b) Uf:peT band and tm upper band plate scrl!,rl 1s removed and the base pulled out to the f o re, In the d1a_ Remave the left and rl&1'tt aCTO'II'S and the plate bolt, and detach &l58emb),v of the bolt retair1!lr and the ejector, after pulling out the toll. with the plate. retai ner spring, unscrl!l'f t,he oolt ret.ainer pin. Then detach the bolt (c) Lowet' band ret.n1ner 1'rom the recel.v er and the ejector Crom t:olt r etainer. The Place the barrel lacing 18ft, unscrew the alll&llacrew and remove ej ector spring 13 inserted in the bolt retainer latch ~prin g . In together IItth the monopod . disassem'ol,yine the sear anc! the t.rigger, the s ear pin b ext.rll.cted, (d) Kand guard t.hen tile s ear and the trigger are detaChed CltIlIl the receiver. Next., B&rrelia placed facing upward, Grasp the front end of the hand the t.rigger pin is removed II'\d the t.rigger det.ached troo Ute sear. rail and I8I11tl'le together "II.th the metal trame by pulling alo.l,y to the (f) Jo!.l8azine f1'Ont while .s11Sttly lifting upward. In the disassea:b4' or the IfAga zine, the trigger guard is det.ached (e) Barrel and recEli.ver fr O!:! Ut e !ltock. the front pin eJtt.racted, and the floor plate remo ved After removing the long and short receiver screws and t bI trigger Croln tho t.ri6ger guard. Then the &l&gadne can b e readll,y disassembled guard acrew, place the rifle in a level pos!.Uon with the barrel facirl$ all it is merel,y insert.ed into tke lQ.!.~a :r;1ne chal"..ber in the s to d<'. up, grasp th II r IICd. vel' wi tn tn e righ t. hand an d t. he front. si ght sect.ion When asaet:lbl,ying the magnzine, f: lKce the lower side t.Ol'Iard the witn t.he left hand, t.hen ~lOOVe upward . Next. det.ach t.he rec01.1 plat.e, front. W'ld t.ne 3.n&ular aide rac10J up. In order to disassemble the reAr Sight, the rear Axle pin is • removed lind t.he rea; si/tlt detached. The rear sight spring is dls asseJllbled froal t.he base by nUlOvlng the ,mall re/U' sight. ~r1ng ecI'G'lf and tipping it lfBitl,y forward. In the dl3aufllrbl,y of the sUde, 28 ' 29 = (g) Floor plate ca.tch ( b) ~u1ng Ule dlsassemb l,y of the hand guard, care Il1l st be taken in The floor plate catch is disassembled by rlJllovin& 0. slIIIlll !lcrew order not to damage the aetal !'ru e and the rear m d . to the roor of the trigger guard, then pulling 1 tout to,;ethlJl" with (c) 'Rhen I'emovin.: the barrel a nd receiver, the front and the rear ImlBt the spring. be remov ed evenl,y from the stock, otherwise the stock may be dB./l'B.ged. ( h) Cleaning rod catch (d) The barrel and the recldver are 'Hsass embled only when replacement The cleaning r od catch h rellJ:lved by pushing it inward fI'Qm the or ttl e barrel is necessary . outside. In :ouch cases the base and the spring of the cleaning r o d (e) When the trigger !!!lard screws and ttJI recel.ver screws are being catch d1$as5eQ'.bles together from the srock . screwed in, be sure thf&' are turned evenl,y, otherwise the trigger guard fM3 (1) Butt plate become tilted and ClI'\not be p roperl,y tightened; aLeo when the sma.l.l screw is 'llle lutt plate i s d i sassembled by unscrO'lling the wood SCTo-liS . not tightened properl.Y, it afCects the accuracy of the nfle. ~en f'1 r:ing. When allsenil4rin,g t.he longor wood scre-H is S CTawed in at the lower the contact point between the stock ald the recd-ver is often damaged when the end 6Ild the shorter l'Dod screw is screwed 1n at the t.op, barr el r eooils. (j) Dutt sling s llivel (f) During B.SBc mbl,y. the pins and screwe IWst be inserted in the dir ec 'rhe butt sling :nlivel is disass emb led by removing the wood tion stipulated. scre;'IS. With the rifle, the longer wood sere-If is screwed in on the Chapter 2 Precautione in IUrldling. s i de th at 1s closer to I.he front end and t he shorter wood SCTelf on 67 The point to be ncted in the tests mentiO'hed below is thg,t the ea.sil,y t.he side that. 15 closer to the rear end . With the short rifle the damaged parts must be handled with care. Althrueh the other detail:! a r e :.lant ed !;u rface is placed facing the rear end . I)e. sure that error identical to thoBe described in the manual on preservati on of arms . the main • i~ not r.-.ade a3 to the tront and the rear sides. points are I (Jt) Monop od 68 '!he IllUzzle , front sight. rear siglt, and the bolt rust not be allowed The monopod 1 s disassembled from the l ower band, the spring to touch the gl"Cllnd. pill II'\d nut are removed then the sp ring detached, the lf~ n opod When the rifle is not i n use the bolt is clolled Bl\d tt.! f1 rin~ pin is baSI! pin is I'ereove rl. then the Ir£lnopod base i s detached from the • placed in the atter-Cire position • l oweI' band, and the mOlOOpod from the ~pod base. The use of wood, paper, cloth, etc • • all a cap for the !!Uzzle mus t be 66 Care IliIlSt. be exercised in the llpecilil. diSIISSBlllbl,y and avoided because of the pOBsibility oC damage to the barrel. assembly of t. he following cases. - 70 The aowunition is first loaded into the ID!l gazine en d then inserted into (a) During the disassembly and a3 sembly of the upper and the chamber by the b:dt. When the 4fMIUnition ill placed d:L rect 13 in the chamber l ower band.s , t.he blUing of th e barI'el !Just not be scraped off and and the bolt closed the e:xtractor will be dalllBged. the stock t Lll st nn t O~ dau:.aged . 30 31 71 After exposure to dust, the bore, conditions perad.ttLng, should be cleaned 7. n" l'olloldng precautions IilUst be exercised in tropical areas. berore tiring. The muzzle section should be spot checked. (a) It conditions psrlllit, open the bolt rrequentl.Y when tiring and cool 72 wtMIn exposed to rain or snow the I:ore aust be cleaned as soon as time by vent.ilatint; wi thin the bore in order to aid in the dissipation of t.at. permits. The presence r£ moisture in the interior r:£ the rirle JrOlll¢e5 (b) Kxpoaure to direct sunll,ght teats the gu n causing ttm wooden parts rustinn. to warp. 'lherefore. ir conditions perndt, place in the shade or in a l ocation 7J The plugging of t~ mU27;le 'Id. th vaseline or greMe in order to prevent wiUI a steadJ dran. the entry or "ater into the bore DWlt be avoided because if tired "hile p.luued, Chapter J Packing it ~ cause the barrel to bulge or burst. 77 In pecking rifles, in add1t:!on to the consideration of the III:!thod of It the monopod 1.a bent du ring use, it ia cOlTfleted ~ the soldier him shipping and the dhtance, it it! necsssary to take lnUl cONlicieration the sell it poeaible. weatmr iIll d th e season berare deciding on the uegre. and the metlx/d. • 7$ Precautions that should be ta; en in :lUbzero areas. 78 The fol1CMing precautiDns ahoold be taken with the inner paCking. (a) It misfires oocur frequentl,y, dpe the oil rrom the bolt. atlselllbly. (8) Dip rifle in preservative (coslIIOline) as directed in Til. 9~50 (b) When k~in6 the rifle inwors after use, proper 011 wet be applied (b) It is necessary t hat the supports and braces of the crate be rig1dl,y to it. 'Ilte sling /lUst be kept May from fires. end it is also necessary to fixed to prevent ~y dllalage Ul the contents when the crate ia placed on its take preceutions agslnat free7;ing 118 the leather sling cracks eaail,y. side, overturned or jarred '"while in transit. (e)' D.lring the period6ti!e rifle is not in u se. 1t. m..,.t. b", ~pt, in II Part ntree Preservation "arm pla.ce or indoors as much as possible to prevent it from rreering. IT Chapter 1 eare kept Outdoors unavoid&bl,y, it must be covered 'Id th a blanket ur a atr"lt mat. 79 'rne care 13 generalJ,y a.s rullomll • It pOSsible a fi ~ 8 hwld bo built indoors to prevmt am- trouble lIIhen cslled Care of the bore and ch~r. upon for unexpected fi ring . !.Oare of the bolt mechanism (1) When a rifle i8 curled in from out of doors, the change ot tem Care of the other parts or ttz rifle and the wooden parte perature induce, moisture to fol'lll on the metallic parts causint; it to rust. !.Oo.re of the leather articles Theretore, it rust be wiped off: the bore especially Jl.Uat be cleaned. • l:are of Unen lin d CO tton go ods (2) 'n'IcI hulllidity or buildings in $llnero aresa e quipped 'ld.th heaters 00 In the care of the bore, place the rifle in a level poeition on a stand becomes exceedingly 10'lf and unle:ls the 8tock 13 oiled, it "ill becolne exces!livl!_ or a rack, rer..ove the bolt, insert the cleaning rod fitted with the cleaning l,y dry. Aa this Callses the stock to warp, t.tle rirIe rack mu et be placed in rod ~de or a cleaning rod fitted with a claaning rod tip on which a paten a position ae far a9 poS!Jible from the l'2:ate r, anu huud.dity must be ma.1ntained is tied, int.o the b:lre, and llm'e it slowly .forwards and backwards. After at the proper .level. repeating Lnis several limes {and when the bore is c lean} app~ a thin coat of ail in the 3tJf\e marner. 32 -33 I When cleaning a rifle. rotate tn, c leaning rod tip t o follow the riflings, it to become stained; Il¥)r8over. it !Ilf\Y be blown into the eye8 of the b'\lruler fX) reover. it is necessary to revolve the rifle appropriately in order to whEn firing. pr ev~ nt the. rubbing of any one particular spot in the bore . 84 Leather goods are cared 1'0r by applying a thin fi lm of Noats Foot Oil De careful so ttJl.t t.he cleanin~ rod t.ip aJd the cl.eani~ rod do not on the top 8urface with a piece of rag . Appl,y sparingl,y. then wipe ar f the directl,y rub alainst the surface of the bore. At the sane t 1me check to see excess wi th a dry cl oth . if Ulls is conwcteci correctly, and a v oid the use of bent rods. When sp pl,yb g 01 ... to t}e leath er sling, it must be rubbed CrOSSM. se The care of the chambe r con31st" of inserting the chamber cleaning rod and not. lengthll'i5e. fitted with a rag in the s lot on its f ront. e nd in order t o re move the old oil AI\)' oil rwoaining on te;or;til.e fabric products II1l5t be reClCIVed as it or to apply fresh oil. Oaraages the fibers. ,\s tne bore is chromium pla ted, exc~sive cleaning is unnecessar y. There_ If any lllildew is d etected. clean immediately with e1tner a d r ;! or a I!'.oi.~t fore, it is necessary to obsorve the condition of the bJre an d the s tain on tne cloth. 1I 0000ev cr , vtLen this IJlltbod is net. adequate. care IlU!It be exercised rug, and adopt a suitable metbod anti f requency o f cleaning • becal,l.se i t freqlOlltly promotes fli r Uler g rowth; moreover, a rag once used to . a1 In the ca r e 0(" the b>lt. 83sembls, a fte r the old oil and duat have been rel~ove miJ.d ew IllIst not be used on other unaffflcted leather parts. removed fru m alch ~art, appl..v oil somewhat rrore heavily on tbe wo rn ~arts of '5 Soiled we b canvas ~oducts are washed in soa;>y wate r . the 001t. by :re ~s of a brus.'l or an ol.l,y ran. and llJht l,y on oth er parts. 66 ~v l! n r;iu ri n~ fire, the rifle is cleMed a nd cared for as a>nrtltions p"nut. The use of a cleani!'\} rod in the cleani n ~ and oilirui. of tn, inside a no II Care Bef~re Firing out.sl,le or til..: bolt i1O'J9ind, corner s , ~rooves , and the housing d: the firing B7 "':are befcr e fire consi5ts of a thorou4t cleaning of the bore and the pin s ;>l"i"1t, i s reCUfilmenJed . dlauber follO'li ed by an appliclltion of a thin filta of oil. An "Pil licati::ln of am~n.ititln ~inc tl the bolt face i s chror.jUlu ;>1ated as b tfJe bore of the barrell an I!Xces:ilve amou.t.n of oi.1. becomes a hindrlillce. \\hen firi. ng blank Ctlre llU St ue exercised in hBlldli~ it . a 9Or.lewhat greater IlIIIrunt of 011 shoul::i be applied. s:! Olli o il and oust arc re.a.oved f rom the othe r steel parts wi th a ras • III Care .l. fter Fir ing ~ter wrd.ch oil is Ilpplien witJl an 01l,:.r rag . A sar.eTlhllt greater IlIIIrunt of oil 68 As the quality of the after-fire care areatl,y influences tl1e pr e $~rvati ..," • is 3.ppuad to pina an d functi.ming parts. '!he exposed surfaces of the woo:! 1 of the rifle, it is neCesSllry to exercise special care. In ad'litbn to the parts are cleaned wit.h a rag . Any oil. that adheres to t.he wood parts I~ill boo general dll1ly care the followi ng car e must ue rendered. l'I ~p ed off. (a) Ilhen exposed to ~ , wash the contalllin:1ted parts as soon 115 p05st'ole a) It is neCeSsary to a~u>lt the a mount of oil appile.1 ~cause if an ex- with the bo re c.1.eanirm fluid or a $oap"y solution uaiR!! s swa b. or clean with ce3sive amc.u.n t is applied. it not only increasos thl! adhe!'1Jnce of dust, but bore oil. t.1'e excess accU/lIUlates in the lower p3l'ts an d leaks out on t o the stock C8usin.& (b) After removi ng the cootamlnant a'l d dirt "o1 ith a raG. appl¥ oil. 34 ' 35 I (c) When the parts d~ct.J..y exposed to gas ~uch as the bolt. face, firing 91 Precauticnl'll to be taken ..,hen the dUlt .1l'JI severe: pin hruaing, .-d t.he st.riker are left withm t cleanin&, 1 t hinders firing, (a) In order to prevent adheSion and penetration of dWlt, application tDDreove r . it. rellult~ in corrosion, making proper care e~pec141l.Y neces~ary . of oi.l. to ext.ernal parts must be w .!l1m1zed. (d) l! t.i hle is not available for proper care i:nr.:led1at.el,y followin!, fire. (b) "Mlen the pos8ibility of ~and penetration is great., the bore nut be appl,y a ll~ral quantit.y of oil ,,1 th II. thong; teq:.orar ll¥ preventing corrosion cleant!o frequently I'Iith an oiled cloth. tied loosel,y to ttl... cle:t"linG rod. and at the sarne t.ime loosening the cCtltami:l.S.nt makin& cleaning later easier. 'I'he cloth /W.$t be chan/ied dten. i'he bore IIlUSt be oiled on1il atter i t 1l'11 ab (e) Every effol"t lIJJ! ~urface . Rille tore cleaner ond wire ltruah are used for this purpose. the pos~1billty ot d8!Coage and wear to the !:ore is creat since it. \·ould be IV Care 0.11'1 ~ Special Instances like rubllirlg the bore with pol1shin& powder. When the bore is l:Ilina cl.eiifled 89 }>recautiq\e to be taken in extreme~ hot areas are generall:f as fo110\9s : trall the r::uzzle end, special care 1n cleaning IIltst be directed to the cart_ (a) "'!II t.hB flO'lt aod the vaporization of the oil and t.he Nst.1. na of the rl~e char,bel' l'IIince the s steel pllr t.s Ilrc hastened Wl in the selection of t. he oil. !'he IiIlwnt. of t.he oil appUed and the frequency 92 Precaut.ions t o be ~en durin; rain and lIncw . oC application must be increased, and the rifle kept In a horizontal position (a) In rain and snt.W, oiling r;u,!!t be done on1,:' after the lI".oisture hal'll been 'fhm not. in us c to prevEnt ttJe 011 from Nnmn,,: ocr. co;rplete.!.y wiped oCC ,,1 th a dry cloth. '!'his operation must be con 90 PrecautJ.un.s to be taten 1n extremel,y cold areas are gencrall¥ as follows : peatedly. (a) The freezing of oil applied to mechanical part.9 h.lntlers functioning; Chapter 2 Storage therefore, at extremel,y 1(M' tenperature, wipe the bolt dry . 93 The purpose of l'IItor inl! anr.s is to take appropriate u;easuras t.o prese"e (1) A r ifle clcaned of it!! ollllll!!t not be ldt indoor~ witilcut oil them Ibr long or short perioul'll 1n order that they IM¥ be used again without ing due to danger of Nst.ing. any breakdown . The lUIt.hod (£ 5ioraBe a-\d t.r.e handling of stored goo:ls pre (b) Conduct a dty run precedind tire t.o te!!t the ~t rlkl nB force of the scrioeC ill rechnical Manual 9-8;;0 U. 3. AriI\o' will be follO\'led . !ilin!; p1:"l. . It this 1s weak, in~pect for af\Ythi~ unu~ual abcut t.he partl'll, Chaotar ,3 IOl'IIpection , the actual resistance ot the firin6 p1:"1 spr1ng. then COI"'l."ct these to prevmt 1 !Jeneral lnspecLion the occurrence of trouble 1n firing. A Care (e) Trouble m.B,;l arise it a. mixture of powder frulinii ~d oil 13 frozen 9' PrinCipal points of Inl'll?l!ct.ion or stuck t.o the parts in the bolt hous1ng. !'he reuoval of these becomes (a) &..rrel d11'firult after tl"e ritle cools; thereJbre. 1f possiole. the rifle should (1) ForeiJ n ;x.Lter (3.) nnt, pits and corr03ion, be cleaned durina the firing period or 1l11r.1ediatel,y follerdn..!!; fire. (2) Metal Fouling a dhe:5hn. 36 , 37 I (b) Receiver ( 6) ttlr u (14) Faulty trigger mechanbm (1) Chc<:k to see it bolt locking lug ha.l3ing, ga3 port, anti ejector (15) Faulty function of bayonet in mounting and dlslIKllnting. housing are p roperly cleaned and oiled. o DlI.IIlage (c) Bolt 97 PrinCipal points of i nspecti on (1) Adhesion of for ei&n IT.atter on boh face, flr1.ng pin, chamber (a) Bo re and chat:ber and gas port, (2) corrosbn and r ust 1n the firing pin hole . ( 1) Bulge, (2) pit.s , (3) .bend, (4) wear, (5) dent s . (d) Firing pin (b) Receiver Corr osi on and rust on striker, adhesion of forci:¥! matter on Jl ri:l8 pin (1) Weak bolt luss anti ejector ~rlngs, (2) weak floor plate cdtch spring. sprlng, (3) dents of upper surface of recoil plat.e and safety knob l U6 groove . { e} :!.Gather an::! hOllp ite!ll3 (c) Bolt. (1) ~ ft. ness , (2) elasticity , 0) hardness, (4) rrJ. lr.!ew, (5) dirt. (1) Enlargement 01' 1'iring pi n hole, (2) dent. on bolt face, (3) dent Jf the 18ath f!r strap shadd crack when it. is rolled up between the fil'\!t ers, armnd snail- shaped section, l4) wear on la-ller surface of bolt. . it i ndicates insufficient oiling. If oilsho-..1lci see p fr ~~1 ttle z atbcr \'tIen (d) Fin ng pin it is unrolled, exCf!S3iVf! oi1111; is i ndicatf!d . (1) Bend and wear on firil16 pin: malfonuation of striker point, a Assembl,y (2) we ar and tenr on seal" catCh, (3) excessive pl'tljf!ctio~ o~ bah face (amo.1 nt 95 Principal points 01' inspect.ion of pr ojection ahwid range oetween . 044 and . 059 inch) , (4) bent, weak , or (1) Loose barr el, (2) loose upper (lO'Ner) band, (3) loose screws on sagging ilrln8 pin ,pring. uj.:per (lower) band, (4) fsulty bend1ng md f aulty spring of IWnoooo , (5) loose ( e) Ext.ractor and safety kno\) upper plate. (6) maU·J.I1c tion of c leminc rod , (7) Wlusual r roj ecti:>n . denection (1) Wear o n extractor cl aw and weak: tlxtr actor spring, and looseness of t. r igger iJlar d , (3) loose m.!Lgazine, (9) l oose trigger guar d (2) loose sa fety knob shaft and wear in safety knob l ug. scr ew and l ong (short) scr ows for rece!Vllr, (10 loose woa:\ scrows for 'outt (f) Fr ont si~ t plate and butt. sling swivel , (11) use of wrong part numbers . ( 1) 1.0:1088 front sight. base, (2) def18Clion of front sight, lJ) bont C functi on or worn f ront s1 gl\t. 96 Principal points of inspection (g) Rear sight. ( 1) Malfunction of safetj' knub (1) Faulty rear sight pin, (2) IIIB.Uu~tion of rear sight (3) loose (2) Malfunction of safety lock r ear aiWt, (4) loose tn d creaky slide I'Ilth irreguhr graduat.ion, (5) dent.ed (3) kaliunct.ivn of extractor peep .:d!'tlt, (6) peeled rust proof coati ng (pe~p sid,ht and f r ont 'iWtt), Wal!unc t.ion of eject...lr ( 7) loose antiaircraft lead sight arllls, (8), bent. antiaircr aft lead sight ar;ns, Walfunctiun of f ollower (9) 'Ilea;'; and bent antiair cra!"l l ead sidl t arlll spring. 38 ' 39 I (h) 5bJck 8. ~ CU.TUM LIST : (Iig-l) ( 1) Cracked. an d dented stock, (2) enl..,rbed groove fbI' r ecal.l pate 1. Sight. front. 2 . Ba.nd, upper (l/J2 inch allowed) . 0) bent stOQ(, (4) cracked .rid loose lund guard, (5) 3. Lug, bayooet. 4. Barrel bent cleanin& rod , loose cleaning rod nead, 3ld worn thread, (6) brolcen snap 5· Band, lower 6. Guard, hand ring fu r s 11ng. 7. SWivel, sling, upper 8. Yooopod (1) Leather tnd her.1p it.1:!f1l8 9. Receiver 10 . Spr1n&, rear sight (l) Cracks, (2) scars and dall",ages , () unraveled se&lllS . ll. ScrewiJ, antiaircraft leading siftlt arrns l> Ar.s, leading aight, antiaircraft (J) Acce.s8orie.s 1). Lear J rear sight. 14. Extractor (1) Crooked Md bent cleaning rod jag. ltOrn threads anc! corr oded 15. Slide , rear eight 16. Pin, rear sight steel section, (2) bent and lNrn cleani/'E rod, () dan:a.gcs to screw cap f or 17 . Cover, bolt 18. Botl hous in& oi ... can, weak oil can case, an::! oil can leaks. 19. Pin, tiring 20. Spring, firing pin II Inspect ion I3etore and After Hrl ng 2l. Knob, safety 22. Ejsct.or 98 aefore and after r1ri~ , various pa.rts, especiall.Y the bore, &I'd chlWber, 23 . Latch, bolt. reatainer 24. Spring, latch, bolt retainer, and IIpring, ejector Special in$pection IILll:rt be made for the pres ence 0 1' foreign ~"II.tte r in the bore 25· Screw, utch, bolt retainer 26. Plate , upper band and challtler befoce tiring. 2'/. Screw, upper ~ plate 28. Screws, upper band Pr ior to zeroing-in , da~ ~ed parts whim will a lfect the accuracy o r 29 . Screw, lower band 30. Stock saroing- in IIl.l st be carefully noted, inep ected and, it necessary, repaired. 3l. Plata, recoil )2. Swivel, lower iJling When large aro:llnts of gas leaks f r om the rear du rin& Uring , inspe ction 33 . Screw, short , butt plate )4. Plate, but t roc iM'egularities rlllst be na de o n the changer , tolt face , tolt l oc\(.ing lug, 35· Screw, long butt. plate 36 . Spring, aear firing pin head, extractor, Md boll. ret.llin~ ~ housin&. 37. Pin, r ocker ar~ 38 . Sear III Inspection of Stored RUles 39 . Pin, trigger 40 . TriUer 99 Prior to storage, special att.ention !!lu st be pdd t o the J%'esence r:f I"USt. 4l. Rocker arm 42 . GUide, :;ear spring matchi~ of J.Ilrt nwzbers, proper !'Unction, an:! proper a;>pUcation o f preserva- 43 . Magazine 44 . FoUowe r the. • 40 • I NOMENCLATURE LIS! (Fig. 1) Cont 'd 47 . Plate. floor 48. Gtuird, trigger 49. Catch , floor plate 50 . Screw, forward. trigger guard 51 . Screw, rear. trigger guard .... 52. Scr aw, recoil plate Ct'\ 53 . Rod, cleaning .-l.. J)ID I l:l ii) .... l.. ~ 1...1 ~ C) ...J ~ .... ~ ~ • 1~1 1r ','1 RESTR IC"fm Se{urily Il'Iformotiol'l , " ,. . ',,' , , ,,. , , . I , , lESTRICTEt' Setllrrty Il'Iformatiol'l