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AR-15 Buffer Castle Nut Sale

AR-15 Buffer Castle Nut

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

AR-15 Buffer Castle Nut -TAN Sale

AR-15 Buffer Castle Nut -TAN

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

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