Quick view Bravo Company Bravo Company Low Profile Gas Block - fits .750 Barrels $50.00 BCM Low Profile Gas Block for AR15" M16" M4" M4A1 for .750 barrels.Features :For use on AR-15, M16, M4 and M4A1Phosphate finished machine steelBarrel ID honed after finish per USGI TDPSet screw... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List