Steel City Arsenal 5.56 AR-15 Bolt Carrier Group – Black Nitride

Complete mil-spec bolt carrier group for 5.56/.223 AR platforms; finished in Black Nitride

SPECIFICATIONS

• Mil-Spec Construction and Materials (Bolt: 9310 / Carrier: 8620)
• High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI)
• Full-Auto Rated M16 Carrier
• Black Nitride Finish
• Staked Gas Key