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" and is made from stainless steel.

Included with this shim kit are shims with the following thicknesses:

• 2x 0.002"
• 3x 0.005"
• 1x 0.020"
• This shim kit has an inner diameter of 1/2"