Mechforce Enforcer Muzzle Brake 5.56 VersionFeaturing the artillery style three stage trapezoid baffle field proven design that is capable of significantly reduce recoil felt and muzzle climb. 1 2 28 precision machined tight tolerance thread for 5. 56 . 223 barrels; thread and center bore are machined in one operation to ensure the absolute dead on concentric GD&T requirements. Made from proprietary Milspec steel that is created from quenching and tempering heat treatment process to achieve