BLACKOUT™ MUZZLE BRAKEReduce Recoil & Stay On Target. Introduced in 2009 in response to requests for a muzzle brake version of our suppressor mount, the new BLACKOUT™ muzzle brake provides incredible recoil reduction. It is perfectly at home on precision rifles as well as carbines and minimizes muzzle rise during shooting. Highly-efficient muzzle brake design and compatible with AAC sound supperssors. Constructed with aerospace-grade heat-treated 17-4 stainless steel and SCARmor™ coated for high surface hardness and durability.