Surefire Shim Kit for Surefire SF3P, SFMB, Warcomp 5.56mm 1/2"-28 Thread .700" Outside Diameter .510" Inside Diameter

The Surefire Shim Kit includes 8 shims of various thickness and a tube of Rocksett to allow you to accurately install muzzle devices to your firearm. This is a direct replacement shim kit for Surefire Surefire SF3P, SFMB, Warcomp Flash Hiders, but can be used on any other muzzle device that accepts these sizes of shims.