TacFire MZ1007N Spiral Fluted Muzzle Brake Black Oxide Steel with 1/2″-28 tpi Threads, 2.60″ OAL & 1.12″ Diameter for 5.56x45mm NATO AR-15

This 1-piece Krinkov style muzzle brake is made of an all steel construction with a heat treated, erosion resistant, black oxide finish. It comes with a 1/2"x28 thread pitch, and is designed to reduce recoil along with barrel whip.