5.56 Bolt Carrier Group w/ 9310 Bolt Black Nitride

This high quality bolt carrier group is a valuable addition to your AR15 build.

Features:

• M16-cut carrier
• Machined from 8620 steel
• Carrier has forward assist serrations
• Black Nitride Finish - advanced lower friction coating that minimizes the need for lubricants and cleaning
• Properly staked gas key
• 5.56 Bolt is machined from 9310 steel
• Shot peened
• HPT tested
• Black o-ring insert on extractor
• High quality BCG