Important Update: In compliance with HB 1240, we regret to inform our valued Washington State customers that we are no longer offering AR-style product for sale in the state. We appreciate your understanding and support as we continue to provide a wide range of other high-quality product. For more information on HB 1240 and its impact on our inventory, please visit the official webpage of HB 1240( or feel free to contact our customer service team.

Castle Nuts

Castle Nuts
Sort By:

Steel Castle Nut - Black

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

$9.95 $3.95

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

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

$9.95 $3.99