Make sure your muzzle device is properly oriented and correctly timed with this complete shim kit from Yankee Hill. The YHM Barrel Shim Set features 6 shims of varying thickness with a half inch inside diameter. These are ideal for tuning the YHM Q.D. Muzzle Brakes. Make sure you do your muzzle device installation right, with the Yankee Hill Barrel Shim Set.

Features and Specifications:
Manufacturer Number:SHIM-3302-SET
5/8" Diameter Barrel Shim Set
Use with .30 Caliber and similar sized Muzzle Devices
Inside Diameter 5/8"

Includes:
Two 0.002" Thick Shims
Three 0.005" Thick Shims
One 0.020" Thick Shim