AAC 51T Blackout Muzzle Brake - 1/2x28 - 5.56/.223

AAC Advanced Armament 51 Tooth Blackout - 1/2x28 - 5.56/.223

This muzzle device is both a muzzle brake and a flash hider

AAC 51T Muzzle Brake - Reduce Recoil and Stay On Target. 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.

Compatibility: 5.56/.223