Aero Precision AR-15 M16 5.56mm Complete Bolt Carrier Group W/ Forward Assist and Aero Logo- Black Nitride

The Aero Precision 5.56 Bolt Carrier Group is the perfect firing mechanism for your AR-15 build. Featuring high quality materials that are machined to exacting specifications, this bolt carrier group provides time tested precision and accuracy you can count on. 

Features:

• M16-cut carrier
• Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
• Carrier has forward assist serrations
• Black Nitride Finish – advanced lower friction coating that minimizes the need for lubricants and cleaning
• Properly staked gas key
• Shot peened
• HPT tested/MPI marked
• Black o-ring insert on the extractor
• High-quality BCG

Included in Fully Assembled Bolt Carrier Group:

• Bolt Carrier
• Bolt Assembly
• Firing Pin
• Firing Retaining Pin
• Gas Key
• Cam Pin