TacFire MZ10079MMN Spiral Fluted Muzzle Brake Black Oxide Steel with 1/2"-36 tpi Threads, 2.60" OAL & 1.12" Diameter for 9mm Luger AR-Platform

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"x36 thread pitch, and is designed to reduce recoil along with barrel whip.