Lancer nitrous compensator 223/5.56 1/2x28 tpi nato blk! FEATURES-.223/5.56mm-Made of black nitrided steel-Threaded for a 1/2-28 muzzle device-"Tunable" compensator designed for competitive shooters-Includes different size jets to customize the downward force, minimizing muzzle climb-Angled blast baffles are incorporated to reduce recoil & further stabilize the rifle-Includes a crush water & tuning jets