Official TacFire spike style muzzle brake is CNC precision machined with superior quality, heat treated, Erosion resistant parkerized steel. It comes with a 1/2" X 28 thread-on pitch. Side ported & ported on top to reduce muzzle flip, recoil & barrel whip. Featuring an aggressive Devil's Pitchfork custom design with extra long razor sharp steel prongs. Works well as an improvised breaching and impact device for hand-to-hand situations.