Silencerco Harvester Big Bore Derringers Mount M18X1 Muzzle Brake Black AC856 This 3-port muzzle brake is compatible with the Specwar/Omega 5.56 and 7.62 ASR mounting system. It offers one hand on, one hand off attachment/detachment. The 3-port design effectively reduces felt recoil and muzzle climb.
