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Aero Precision AR-15 BCG - 5.56mm

Aero BCG

Price: $125.95

Product Code:


Aero Precision Bolt Carrier Group for your AR15/M4 .223/5.56 BCG. This 5.56 BCG with Forward Assist features an M16 Cut 8620 Tool Steel Carrier and Carpenter 158 Tool Steel Bolt, with a properly staked gas key. The bolt is shot peened and hardened then High Pressure Tested and Magnetic Particle Inspected. Aero Precision's 5.56 BCG is everything you need and more than you expect from an outstanding precision-built AR-15 5.56 BCG!


  • M16-cut carrier
  • Machined from 8620 steel
  • Carrier has forward assist serrations
  • Mil-Spec phosphate coating
  • Properly staked gas key
  • Chrome lined gas key and firing pin channel
  • 5.56 Bolt is machined from Carpenter 158 tool steel
  • Shot peened
  • HPT tested/MPI marked
  • Black o-ring insert on extractor
  • High quality BCG
  • Made in USA
  • 11.52oz