NOVESKE 556 BOLT CARRIER GROUP

Noveske Bolt Carrier Group, for 5.56 NATO/300 Blackout, Phosphate Finish, Black 05000429
The Noveske Bolt Carrier Group features a full auto carrier with a staked gas key. The bolt is machined from 158 Carpenters Steel. The bolt is then Shot peened and MP tested to ensure years of rugged use without fail. Mil-Spec bolt face works for standard cartridges, such as 5.56mm and 300 Blackout.