338 Marlin Express

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Notes from the Lab: .338 Marlin Express The .338 Marlin Express was developed by Hornady Manufacturing and Marlin Firearms, and is based on the .376 Steyr case (which Hornady also developed). The case had to be shortened, the shoulder angle changed and necked to accept .338-inch bullets, and finally a semi-rim added. Next a new boat-tail spitzer bullet was developed that featured a special rubberized “FTX” tip to prevent primer set-off when used in the tubular magazine of the Marlin MXLR lever-action rifle. The end result is a modern cartridge capable of pushing a 200-grain bullet to an advertised 2,565 fps and is suitable for hunting moose, elk and bears, as well as African plains game. With a 200-yard zero, it drops 9.7 inches at 300 yards, making it useful in open country. Select loads produced sub MOA, 3-shot groups. In referencing Hornady factory ammunition, a five-shot string averaged 2,524 fps from a Marlin Model MXLR with a 24-inch barrel. Bullets should be seated to an overall cartridge length of 2.585 inch (to assure proper cycling through the action), then roll crimped in place to prevent bullet movement when subjected to recoil and magazine tube spring pressure. Loads containing ball (or spherical) powders should never be reduced below “start” loads, or hang-fires, erratic ignition and pressures can occur. Outstanding performance (accuracy and velocity) was obtained with Accurate AAC-2520, Hodgdon LEVERevolution and Ramshot Big Game powders. Only standard (non-magnum) large rifle primers should be used, with Winchester primers chosen to develop the accompanying data. Do not substitute other .338-inch spitzer bullets that have either a lead exposed tip, plastic tip or are hollow-pointed, as magazine tube detonations are probable. .

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Hornady 2006 Catalog
2006 CATALOG Accurate. Deadly. Dependable. Setting the standard . again! See page 21-22 Your source for bullets, ammunition and reloading products. NEW for 2006! LEVEREVOLUTION™ 416 RIGBY 338 LAPUA 20 GAUGE SST™ SHOTGUN SLUG 500 S&W EVOLUTION™ BULLETS AMMUNITION RELOADING TOOLS & ACCESSORIES 17 Cal. 25 gr. V-MAX .................................................. pg. 8 416 RIGBY 400 gr. RN InterBond ........................pg. 30 New & Improved Die Sets ...................................pg. 67 22 Cal. 80 gr. A-MAX ...............................................pg. 15 416 RIGBY 400 gr. FMJ/ENC .................................pg. 35 Blank Cowboy Action Dies .................................pg. 72 338 Cal. 250 gr. BTHP Match ...............................pg. 15 6.8MM SPC 110 gr. BTHP/WC ..............................pg. 33 Case Activated Powder Drop ............................pg. 53 6.8MM SPC 110 gr. V-MAX ...................................pg. 28 Quick Change Powder Die .................................pg. 53 AMMUNITION 375 H&H 300 gr. RN InterBond ...........................pg. 36 Pistol Rotor & Metering Assembly ..................pg. 59 30-30 WIN 160 LEVEREVOLUTION™ ......................... pg. 21 460 S&W 200 gr. SST ...............................................pg. 43 Pistol Micrometer for new Rotor .....................pg. 59 35 REM 200 gr. LEVEREVOLUTION™ ......................... pg. 21 500 S&W 300 gr. Evolution™ ................................pg. 43 Powder Through Expanders ...............................pg. 53 444 Marlin 265
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.30-30 Winchester 1 .30-30 Winchester .30-30 Winchester .30-30 cartridge (center) between 5.56×45mm NATO (.223 Remington), left, and 7.62×51mm NATO (.308 Winchester), right Type Rifle Place of origin United States Production history Designer Winchester Designed 1895 Manufacturer Winchester Produced 1895-Present Variants .25-35 Winchester, .219 Zipper, .30-30 Ackley Improved, 7-30 Waters Specifications Case type Rimmed, bottlenecked Bullet diameter .308 in (7.8 mm) Neck diameter .330 in (8.4 mm) Shoulder diameter .401 in (10.2 mm) Base diameter .422 in (10.7 mm) Rim diameter .506 in (12.9 mm) Rim thickness .063 in (1.6 mm) Case length 2.039 in (51.8 mm) Primer type large rifle Ballistic performance Bullet weight/type Velocity Energy 110 gr (7 g) FP 2,684 ft/s (818 m/s) 1,760 ft·lbf (2,390 J) 130 gr (8 g) FP 2,496 ft/s (761 m/s) 1,799 ft·lbf (2,439 J) 150 gr (10 g) FN 2,390 ft/s (730 m/s) 1,903 ft·lbf (2,580 J) 160 gr (10 g) cast LFN 1,616 ft/s (493 m/s) 928 ft·lbf (1,258 J) 170 gr (11 g) FP 2,227 ft/s (679 m/s) 1,873 ft·lbf (2,539 J) [1] Source(s): Hodgdon .30-30 Winchester 2 The .30-30 Winchester/.30 Winchester Center Fire/7.62×51mmR cartridge was first marketed in early 1895 for the Winchester Model 1894 lever-action rifle.[2] The .30-30 (thirty-thirty), as it is most commonly known, was the USA's first small-bore, sporting rifle cartridge designed for smokeless powder.
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Brian Pearce n the 1940s, Roy Weatherby be- gan developing a series of hunt- 6.5-300 ing cartridges that would become I the famous Weatherby magnums. Perhaps the most popular and best WEATHERBY known is the .300 Weatherby Magnum that is based on .300 H&H Magnum MAGNUM case with a double-radius shoulder. During the early 1950s, he took his .300 case and necked it down to ac- cept 6.5mm/.264-inch bullets, but for several reasons that cartridge was not added to the Weatherby line, so it be- came a wildcat and has enjoyed a ded- icated following. Weatherby announced the 6.5-300 Weatherby Magnum cartridge in 2015 for its Mark V rifle. With new powders and a wide 6.5-300 requires the use of a .375 over 5,000 feet elevation, the loads selection of new hunting bullets, H&H Magnum length action. Like recorded an average of 3,450 fps along with renewed interest in other Weatherby cartridges ad- (some 81 fps short of advertised 6.5-caliber cartridges from hunt- opted by SAAMI, it has a maximum figures) but yielded an impressive ers and long-range shooters, in average pressure of 65,000 psi. extreme spread of just 27 fps. That 2015 Weatherby announced the Using full-length sized virgin same rifle was later shipped to me 6.5-300 Weatherby as a standard brass, water capacity, filled level for further testing and load devel- offering. Initial factory loads in- with the case mouth, was 96.9 opment. Switching to production cluded a Barnes 127-grain LRX bul- grains.
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