Outerwild M16/AR15 Bolt Carrier Group—Billet Extractor, 5.56, Nitride

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INTRODUCING OUTERWILD’S Custom M16 BCG manufactured and assembled in house in Lake Zurich, Illinois. All our BCGs are PRECISION GROUND—they are machined and ground to perform for tens of thousands of rounds. We grind the outside dimensions and ALL three interior dimensions of our carrier, giving these BCGs a near friction-less surface finish! To ensure long-term reliability and corrosion resistance, Outerwild partners with industry-leading finisher: H&M. Their Blacknitride+™ finish delivers the utmost durability, 10 times stronger than it was originally with improved lubricity. All this delivers our BEST-IN-CLASS BCG that is 100% American Made! Trusted by seasoned shooters and depended on by experienced builders, Outerwild’s complete bolt carrier group goes above and beyond Mil-Spec expectations! 

  • M16 Style Carrier
    • Machined from 8620 Steel
    • Heat Treated
    • Final Grind Before Plating
    • Blacknitride+™ by H&M
    • Lasered with Outerwild Brand Logo
  • 5.56/.223 Bolt
    • Machined from 9310 Steel
    • Heat Treated
    • Shot Peened
    • MPI Tested (Magnetic Particle Inspection)
    • Blacknitride+™ by H&M
  • Billet Gas Key
    • Machined from Solid Billet of 4130 Steel
    • Properly Seated with Grade 8 Fasteners
    • Properly Staked
    • Blacknitride+™ by H&M
  • Cam Pin
    • Machined from 4140 Steel
    • Heat Treated
    • Blacknitride+™ by H&M
  • Billet Extractor
    • Machined from Solid Billet of 4140 Steel
    • Heat Treated
    • Shot Peened
    • Phosphate Coated
    • Extractor Insert Included
    • Viton O-Ring Included
  • Firing Pin 
    • Machined from 8640 Steel
    • Blacknitride+™ by H&M
  • 100% American Made
  • Retail Packaged