Complete Nickel Boron Full Auto Bolt Carrier Group. 5.56/223 & 300 Blackout BCG. The nickel boron coating is excellent, extremely low friction and easy to clean. The coating is a high quality, Shiny high gloss coating like WMD & FailZero bcgs. 350 legend compatible too.
- M16 Carrier-8620
- MPI Tested
- Upgraded Extractor Spring with o-ring
- Properly staked gas key
Made in the USA by a quality manufacturer.
You may find cheaper nickel boron bcgs, but many of those have a dull, flaky satin finish. These are hard and high gloss and super smooth.