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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Sig Sauer SRDPISTONM16X1LH SRD Piston 45 ACP M16x1 LH 17 4 Stainless Steel Black
$108.00
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