When transporting your firearm, keep your threads crisp and protected with a thread protector. Careful not to cross-thread, simply twist the thread protector on the end of your barrel to prevent dust and debris from clogging your threads when no silencer is in use. .578″ X 28 is compatible with most US-made 45ACP.
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Yankee Hill Machine

YHM THREAD PROTECTOR 45 .578-28 .650 OD BLK
Original price was: $18.95.$16.99Current price is: $16.99.
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