Do not reuse old carrier and key screws New carrier and key screws must be used at assembly.

1. If disassembled, place bolt carrier (1) In vise using vise law caps Install and position bolt carrier key (2) on bolt carrier ( 1).

2. Install two carrier and key screws (3). Always use new screws.

3. Use a tight-fitting 1 8 inch socket head screw wrench attachment and an Inch-pound torque wrench to torque the carrier and key screws (3) to 35 to 40 Inch-pounds (3 95 to 4 52 N m)



Field staking method will be used by field units.

Use solid center punch and hand hammer to stake the two carrier and key screws (3) In three places.


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