AR-15 5.56/.223 Nickel Boron M16 Mil Spec Bolt Carrier Group

AR-15 5.56/.223 Nickel Boron M16 Mil Spec Bolt Carrier Group

AR-15 5.56/.223 Nickel Boron M16 Complete Bolt Carrier Group. Comes completley assembled, properly staked gas key, and ready to drop in your upper.

Features:

• 8620 Steel Bolt Carrier
• 9310 Bolt MPI (Magnetic Particle Inspected)
• Hydraulically Staked CL Key
• Grade 8 Screws to Mil-spec
• USA Made
• Heat Treated for Heavy Duty use
• Hard Nickel P+ Finish
• Serrated