Barrel Shim Set to be used to correctly orient a timed muzzle device. This set is used with our 30 Cls Q.D. Muzzle Brakes. This shim kit has an inner diameter of 5/8"
Included with this shim kit are shims with the following thicknesses:
- 2x 0.002"
- 5x 0.005"
- 1x 0.020"
