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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ADVANCED ARMAMENT COMPANY 65001 Ti-Rant Piston Conversion 1/2″-28 tpi, Stainless Steel, for Ti-Rant 9m HD & 45
$74.99
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