10044S MAINTENANCE INSTRUCTIONS C7 FAMILY OF COMBAT WEAPONS 2005-009-220 COLT CANADA 1036 Wilson Avenue, Kitchener, Ontario, Canada, N2C 1J3 Tel: +1 519 893 6840 Fax: +1 519 893 3144 WWW.COLTCANADA.COM © 2005 Colt Canada Technical Publications & I.L.S (Integrated Logistic Support) - Do not reproduce in whole or in part without permission. 10044S TABLE OF CONTENTS PAGE PART 1 - INTRODUCTION . 1-1-1/1-1-2 Section 1 - General Information . 1-1-1/1-1-2 Purpose . 1-1-1/1-1-2 Scope . 1-1-1/1-1-2 Observations . 1-1-1/1-1-2 Section 2 - C7 Family Technical Specifications . 1-2-1 Table of Specifications . 1-2-1 PART 2 - APPARATUS AND TOOLS . 2-1/2-2 General . 2-1/2-2 PART 3 - REPAIR TECHNIQUES . 3-1-1/3-1-2 Section 1 - Repair Information . 3-1-1/3-1-2 General . 3-1-1/3-1-2 Lubrication . 3-1-1/3-1-2 Refinishing . 3-1-1/3-1-2 Cleaning . 3-1-1/3-1-2 Care and Servicing . 3-1-1/3-1-2 Torque Limits . 3-1-1/3-1-2 Section 2 - Repair Procedures . 3-2-1 Introduction . 3-2-1 Safety Precautions . 3-2-1 Proving Weapons “SAFE” . 3-2-2 COMPLETE WEAPON . 3-2-3 Disassembly Into Major Groups . 3-2-3 Reassembly of Major Groups . 3-2-5 BARREL AND UPPER RECEIVER ASSEMBLIES . 3-2-6 Separating the Barrel and Upper Receiver Assemblies . 3-2-6 Disassembling the Barrel Assembly . 3-2-10 Inspecting the Barrel Assembly . 3-2-11 Repairing the Barrel Assembly . 3-2-12 Reassembling the Barrel Assembly . 3-2-14 Colt Canada Proprietary i 2005-09-20 10044S TABLE OF CONTENTS (Cont) PAGE Disassembling the Upper Receiver Assembly . 3-2-18 Forward Assist Assembly . 3-2-18 Ejection Port Cover . 3-2-20 Cocking Handle . 3-2-21 Upper Receiver . 3-2-21 Reassembly . 3-2-22 BOLT CARRIER GROUP . 3-2-22 Disassembly . 3-2-22 Inspection and Repair . 3-2-24 Reassembly . 3-2-25 LOWER RECEIVER AND BUTT GROUP . 3-2-27 Removing the Butt Assembly . 3-2-27 Lower Receiver Assembly . 3-2-28 Pistol Grip . 3-2-28 Bolt Catch . 3-2-29 Magazine Catch . 3-2-31 Trigger Guard . 3-2-32 Fire Control Mechanism . 3-2-33 Receiver Pivot Pin . 3-2-37 Receiver Extension - Solid Buttstock . 3-2-38 Receiver Extension - Sliding Buttstock . 3-2-39 Lower Receiver . 3-2-42 Butt Assembly - Solid Buttstock . 3-2-42 Butt Assembly - Sliding Buttstock . 3-2-45 BUFFER ASSEMBLY . 3-2-46 Inspection . 3-2-46 Standard Buffer Assembly . 3-2-47 Disassembly . 3-2-47 Repair . 3-2-48 Hydraulic Buffer Assembly . 3-2-49 METAL MAGAZINE . 3-2-49 Disassembly . 3-2-49 Inspection and Repair . 3-2-50 Reassembly . 3-2-50 Colt Canada Proprietary ii 2005-09-20 10044S TABLE OF CONTENTS (Cont) PAGE PLASTIC MAGAZINE . ..