Bushmaster AR15 5.56 Complete Bolt Carrier Group - Black Nitride

AR-15/M16 Semi-Auto Mil-Spec bolt carrier group by Bushmaster

• Heavier more reliable M16 design
• Chrome Lined Carrier
• Properly Staked Gas Key
• Steel with Black Nitride Finish
• Fits AR-15 upper receivers chambered in .223/5.56 or 300 Blackout