Castle Nuts

Castle Nuts
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Steel Castle Nut - Black

This is our standard AR-15 carbine buffer tube/receiver extension castle nut in matte black. It fits..

$6.99 $4.99

Steel Castle Nut - Tan

This is our standard AR-15 carbine buffer tube/receiver extension castle nut in matte tan. It fits b..

$10.99 $7.99

AR-15 Buffer Castle Nut - For Commercial Tube "AS IS" SALE

It fits commercial tubes only.Specifications:4140 Tool Steel constructionBlack anodized finishDiamet..

$3.99 $2.99