Complete 5.56 Polished Black Nitride BCG MPI - $99.95

Description

Complete 5.56 Polished Black Nitride BCGOur Nitrided M16 BCG is micro polished before and after the Melonite process, producing a beautiful finish and an extremely slick surface. The carrier is made from 8620 steel. The bolt is made from 9310 steel and is MPI Tested and engraved. The 223 Bolt and Bolt Carrier Assembly is compatible with 5.56 and 300 Blackout.Enhanced 9310 Steel (Bolt)8620 Tool Steel (Carrier)Mil-Spec Extractor Spring, black extractor insert, Viton O-RingTool Steel ExtractorShrouded Firing PinMil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly stakedCaliber: .223 / 5.56 / 300 BlackoutBolt is shot Peened and MPIAll BCG components pre polished before being processed and then post polished for an incredible shine
MPN#: SBNM16