Aero Precision APRH100615 AR-15 Bolt Carrier Group 5.56mm 8620 Steel Black Nitride This bolt carrier is a valuable addition to your AR15 build. It features a properly staked gas key, forward assist serrations, a black o-ring insert on the extractor, and is made of steel.
This 5.56 NATO model has a black nitride finish.
Type: Bolt Carrier Group Model: AR-15 Size: 5.56mm Material: 8620 Steel Finish: Black Nitride
