Description
Microbest C158 HPT/MPI 5.56 Bolt Carrier Group – ChromeThe Microbest Bolt Carrier Group is a great choice for any build. This drop-in AR-15 BCG features a corrosion resistant hard chrome finish, MIL-SPEC dimensions, and a magnetic particle inspected carpenter 158 steel bolt. Crafted from domestically sourced 8620 steel, the M16 cut carrier includes a gas key fastened by properly staked grade 8 screws. Made in the U.S.A.Features.233/5.56 NATOHard chrome finishM16 cutAircraft quality 8620 steel carrier4130 steel gas keyProperly staked grade 8 gas key screwsCarpenter 158 steel bolt4140 steel extractorMIL-SPEC O-ringMIL-SPEC gas rings4140 steel cam pin8740 steel firing pin with hard chrome finishMagnetic particle inspectedLifetime warrantyProudly made in the U.S.A.
