New Frontier Bolt Carrier Ar10 - .308/7.62x51 Black

New frontier bolt carrier ar10.308/7.62x51 black

FEATURES
-Caliber: .308
-8620 Nitride-Coated Carrier
-Chrome Lined Gas Key
-9310 steel bolt
-4140 billet gas key, properly staked & sealed
-4140 billet extractor
-MILSPEC standard for heat treatment & QC

Other Features: For.308/7.62 compatible bolt face builds