Rock River muzzle brakes are used by LE agencies world wide. This 1/2x28 threaded brake is 1.99" long and weighs only 3.1 ounces. Reduce recoil and muzzle flash using this brake.
Will it fit a 9mm rifle? Is it ported all the way around, or does it need to be clocked?
Answer:
This item is designed for .22 caliber projectiles and will not work for a 9mm rifle. It is ported all the way around. Timing this device is not necessary for it to function, but there are flat spots on each side for a wrench to fit onto and you may want to time it for aesthetics.
Is this for 22 cal. ?
Answer:
Yes, it would work for a .22 with a barrel threaded 1/2x28.