7.62 Muzzle Device Shim Set

7.62 Muzzle Device Shim Set P/N:30130
This 7-Piece Shim Set is for use in properly timing a flash hider or muzzle brake. Kit includes 7 shims, Rockset and instructions.  
 
Specifications:
Shim set for 7.62 rifles using 3/4"x24 or 5/8"x24 muzzle devices.