Many gun companies and gunsmiths make a common mistake and thread .22 LR barrels at AR-15 thread lengths. Most .22 silencers on the market will not shoulder correctly on AR-15 thread length. This spacer shortens AR-15 thread length to .22 LR thread length while ensuring consistency.
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Silencer Co

SilencerCo AC6 Delta Thread Protector Stainless Steel Black Oxide 1/2″-28 tpi
Original price was: $19.00.$16.15Current price is: $16.15.
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