Knights Armament Muzzle Device Shim Set 7-Piece 7.62mm

This Knights Armament 7-Piece Shim Set is for use in properly timing a flash hider or muzzle brake. Shim Sizes:0.008a ^2 Thick (6 Notches) 0.009a ^2 Thick (5 Notches)0.010a ^2 Thick (4 Notches)0.012a ^2 Thick (3 Notches)0.015a ^2 Thick (2 Notches)0.020a ^2 Thick (1 Notch)0.031a ^2 Thick (0 Notches)