The AR-Stoner Heli-Port Muzzle Brake for the AR reduces felt recoil and muzzle flip by directing gases upward and to the side, increasing both muzzle control and stability. This brake features a total of 30 ports arranged in 6 rows of 5 drilled in a helical pattern.
Thread Pitch: 5/8"-24
Outside Diameter: 1.0"
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