AR-STONER AR-15 Bolt Assembly 5.56x45mm NATO Nitride Black

The complete AR-STONER mil-spec bolt assembly for the .223 Remington/5.56x45mm is a great addition to your AR-15 platform. The quality AR-STONER bolt assembly offers precise fit, function, and reliability for your next build. The bolt includes all of the critical parts (gas ring & extractor) and is ready to be installed in a bolt carrier.