New 308 / 7.62x51 complete Bolt Carrier Group
.308/7.62 NATO BCG This is D. P. M. S. compatible and meets or exceeds Mil Spec standards. 100% made in the USA so you know the gas key is properly staked with grade 8 heat treated fasteners. Bolt is 9310, case hardened and then Cryo treated. Bolt is shot peened.
The carrier is 8620 steel, heat treated and case hardened to Mil Standards.
Key features and upgrade:
Bolt made from 9310 Steel
Carrier is 8620 Heat Treated Steel
Gas Key is hardened to USGI Spec and properly staked
Upgraded Extractor and Treated to Mil Spec 6875
100% Made in the USA