This task covers:
a. Disassembly c. Repair b. Inspection d. Test e. Reassembly
Applicable Configura tion All M16/M16A1 rifles. All parts are the same except for lower receiver body which is different only in that it specifies the different models and the serial numbers.
Tools
Small Arms Repairman Tool Kit SC 51C0-95-CL-A07 (19204) Field Maintenance Basic Less Power Small Arms
Shop Set SC 4933-95-CL-A11 (19204) M16 Series and M231 Firing Port Weapon Direct Support and General Support Maintenance for 5.56-mm Rifle Tool and Gage Set 8426685( 19204) Pivot pin removing tool (local fabricated tool)
(E-3. app E) Lower receiver gage (local fabricated tool) (E-5, app E)
Materials Parts
Cleaner, lubricant and preservative (CLP) (item 5, app D)
Solid film lubricant (item 13, app D) Technical dichloromethane (item 8, app D)
References
Equipment Condition
Page Condition Description 3-10 Lower receiver and extension assembly removed
General Safety Instructions To avoid injury to your eye. use care when removing and installing spring-loaded parts.
When using solid film lubricant or dichloromethane, be sure the area is well ventilated.
location item action remarks
Lower Receiver and Extension Assembly a. Machine screw (1) and lock washer (2)
Using screwdriver, reach inside rifle grip and remove screw and lo^k washer.
TM 9-1005-249-24&P
LOCATION
item action remarks b. Rifle grip {3), helical spring (4), and safety detent (5)
Carefully remove rifle orip and catch helical spring and safety detent to prevent loss.
Remove.
NOTE
The butt cap screw is a self locking screw. Due to the critical nature of the parts concerned, if the butt cap screw is removed it must be discarded and replaced with a new on^.
d. Shoulder gun stock
Remove stock carefully and assembly (7), helical catch helical spring, spring <8), takedown detent, takedown pin and stepped spacer to prevent loss.
pin detent (9), takedown pin (10), and stepped spacer (10.1).
Stepped spacer is requirei when utilizing buttstock assy PN 9349119- For dimensional ident if icat ioi of the buttstock, refer to Figure C-llA.
Change 3
3-51
TM 9-1005-249-24&P
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