Complete Bolt carrier group, Machined from S7 Tool Steel, Lithium Isonite Coating, 4 Setting Adjustable Vent System relieves excess gas pressure created from suppressor use creating longer dwell time and less blowback to the shooter.
- Gas Adjustment can be turned while installed in the rifle
- Uses all standard MIL-SPEC components
- Staked MIL-SPEC Gas Key
- Adjustment Pin is easily removed for cleaning
- Full Auto Rated