The Troy Medieval Muzzle Break enhances control and accuracy during rapid fire. It serves as an improvised breaching device. This muzzle break is constructed of hardened 4140 steel with parkerized finish. It weighs 3 ounces and is 2.25 inches long. It is threaded for all M16, AR15, and M4 rifles and carbines. This muzzle break features a heat-treated ordnance steel construction.