The Yankee Hill Machine Co Barrel Shim Set includes 8 shims to correctly orient a timed muzzle device. This set is used with the Yankee Hill Machine Co 5.56 Caliber QD Muzzle Brakes with an inner diameter of 1/2".
Included with this shim kit are shims with the following thicknesses:
2x 0.002"
5x 0.005"
1x 0.020"
Included with this shim kit are shims with the following thicknesses:
2x 0.002"
5x 0.005"
1x 0.020"
