Left Hand Bolt Carrier Group - Black Nitride (Various Calibers)

Complete assembled Black Nitride bolt carrier group for use in your left hand AR-15/M16.  All of our carriers are machined from 8620 steel and coated with Black Nitride which is the highest quality performance coating on the market today.  Black Nitride is a proprietary low friction coating that strengthens the metal surface, and improves reliability and resistance to wear.  

• Bolt machined from certified 9310 AQ (aircraft quality) steel and black phosphated
• Carrier machined from 8620 steel coated in Black Nitride
• Cam pin coated in Black Nitride
• Firing pin is 17-4 H900 SS
• Completely assembly ready to slide in to any left hand AR-15/M16
• All parts are manufactured and assembled right here at our facility in Austin, Texas