The OPS Inc single chamber muzzle brake is used in conjunction with their suppressors and mounts. It effectively reduces muzzle rise and flash and lessens the felt recoil. The .22 caliber is used with all but the 3rd model suppressor. Complete kit including barrel fitting, thread protector, and crush washer.
.22 Cal. (5.56mm/.223) 1/2-28 tpi .866" O.D.
Collar w/Set Screw