Operators Safety & Instruction Manual

Failure to feed
Double feed
Round will not
chamber
Bolt will not lock
- Dirty or corroded ammunition
- Dirty magazine
- Defective magazine
- Too many rounds in the magazine
- Movement of buffer spring is restricted
- Defective magazine
- Defective magazine
- Dirty or corroded ammunition
- Damaged ammunition
- Carbon in chamber
- Damaged gas tube
- Obstruction in bore
- Clean or discard
- Clean
- Replace
- Remove the excess ammunition
- Disassemble and clean the buffer and return
- Replace
- Replace
- Clean or replace
- Replace
- Clean
- Refer to Firearms Technician
- Clear obstruction
TROUBLE SHOOTING [cont]
PROBLEM COMMON CAUSE CORRECTIVE ACTION
[cont]
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