The Dead Air Shim Kit for barrels with 1/2-28 or 5/8-24 threads 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.
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Yankee Hill 4401MB28 sRx QD Mini Muzzle Brake Black Phosphate Steel with 1/2″-28 tpi, 9mm, 1.10″ OAL & 9.375″ Diameter for sRx Adapters
$80.75
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