Yhm Barrrel Shim Set 1/2" I.d.

Barrel Shim Set to be used to correctly orient a timed muzzle device. This set is used with our 5.56mm Q.D. Muzzle Brakes. This shim kit has an inner diameter of 1/2"

Features :

• ,Thicknesses included 2x 0.002", 3x 0.005", 1x 0.020""