One Complete Nickel Boron Full Auto Bolt Carrier Group. This BCG is Suited for 5.56/223 & 300 Blackout. The nickel boron coating is excellent, extremely low friction and easy to clean. Designed to eject left out of a Left-Handed Upper Receiver.
- M16 Carrier-8620
- MPI Tested
- Upgraded Extractor Spring with o-ring
- Properly staked gas key
Made in the USA by a quality manufacturer.