SilencerCo AC114: 1/2X28 Rifle Thread Spacer

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Silencer Co : AC114
$13.50
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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 concentricity.