Complete Bolt carrier group, 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.
- Material: S7 Tool Steel.
- Finish: Lithium Isonite Coating.
- Weight: 1 lb.
- Dimensions: 8.5 × 1.5 × 1.5 in.
- 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.
- Made in the USA.