Advanced Armament Corp

AAC's Blackout 51T Muzzle Brake provides excellent recoil mitigation and enables users to quickly and easily install an AAC fast-attach silencer to their precision rifle or carbine. It is constructed with aerospace-grade, heat-treated 17-4 stainless steel and nitride-coated for high surface hardness and durability. This model is for rifles chambered in 5.56mm.