Dead Air Muzzle Device Shim Kit- M18

The Dead Air Shim Kit for barrels is composed of three different shim thicknesses. The graphic on the packaging details the thicknesses and identifying features of the shims included with the kit. Always place the thickest shim(s) on the barrel first.

Includes:

• 1 No Notch 0.060″ shim -540 Degree Rotation
• 5 Two Notches 0.006″ Shims -54 Degree Rotation
• 4 One Notch 0.004″ Shims-  -36 Degree Rotation