A1Armory .223/5.56 Lightweight Nitride Bolt Carrier Group

A1Armory .223/5.56 Lightweight Nitride Bolt Carrier Group-FREE SHIPPING

Each of our Mil-Spec Bolt Carrier Group Assemblies is made in the U.S.A. and feature full-auto capability, a shot peened MPI Bolt, 8620 Gas Carrier and Gas Key fastened with hardened Grade 8 fasteners. The ultra-hard and corrosion-resistant Black Nitride ensures this BCG's continued reliability and precision.

Features:

• M16 Style (Full Auto)
• .223/5.56 Caliber
  
• LIGHTWEIGHT
• Mil-Spec
  
• Precision Machined
• Heat Treated Steel
• Shot Peened MPI Bolt - Carpenter 158 Material
• 8620 Gas Carrier
• Made in USA
  
• Ultra Hard Black Nitride Finish
• Fits: AR-15 / M16