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ar15 bolt carrier, best ar 15 bolt carrier group, ar 15 bolt carrier for sale
  • SOA Nitride BCG AR-15

    • Sgt of Arms Bolt Carrier Group- Our carriers are tested and proven with thousands of rounds without any bolt carrier group failure. These are made from 8620 M16 style carrier that is heat treated. 9310 MPI bolt, heat treated. 4140 billet extractor. We run this carrier in all of our carbine rifles and pistol builds for customers. We have never had a call about a failure over the last 5 years.


    • 8620 M16 style carrier
    • H&M Black Nitride finish
    • Properly heat treated
    • Final grind before plating
    • 9310 5.56/.223 bolt
    • Heat treated
    • Shot peened
    • H&M Black Nitride finish
    • MPI
    • 4140 billet gas key
    • H&M Black Nitride Finish
    • Properly seated with Grade 8 fasteners
    • Properly staked to ensure reliability
    • 4140 Cam Pin nitride treated for wear resistance
    • Billet Machined Extractor
    • Machined from solid 4140 bar stock, heat treated and shot peened
    • Phosphate coated for reliable extraction
    • Extractor insert included
    • O-Ring included
    • Firing pin precision machined from 17-4 H-900 Stainless Steel
    • 100% USA Made





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