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

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