The Dead Air Shim Kit for barrels with 5/824 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 Machine

YHM SRX THREAD PROTECTOR BLK
Original price was: $34.95.$29.75Current price is: $29.75.
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