The M16 5.56 /.223 / .300 AAC Complete Bolt and Carrier Group is Nickel Boron coated and Chrome Lined.
The 223 Bolt and Bolt Carrier Assembly comes complete with Cam Pin, Firing Pin and Firing Pin Retainer.
The M16 5.56 /.223 / .300 AAC Complete Bolt and Carrier Group is Nickel Boron coated and Chrome Lined.
The 223 Bolt and Bolt Carrier Assembly comes complete with Cam Pin, Firing Pin and Firing Pin Retainer.