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Milspec+ AR15 BCG - Matte Nitride Finish

Contract Overrun Mil-Spec+ AR15 bolt carrier in a matte nitride finish. The outside dimensions and ALL three interior dimensions are ground, giving the BCGs a near frictionless surface finish. To ensure long-term reliability and corrosion resistance, these BGC's are coated by H&M with their Blacknitride+™ finish to deliver the utmost durability and improved lubricity. Bolts are 9310 for 5.56mm/.223/.300 Blackout.
Item No: AD-BCG-AR15
In stock
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Materials & Construction

  • Material: 9310 Bolt (5.56mm/.223/.300 Blackout)
  • Material: 8620 Carrier
  • Material: 4140 Key and Cam Pin
  • Matte Black Nitride Finish
  • Mag particle inspected (MPI)
  • Phosphate coated Extractor with extractor insert and O-Ring for reliable extraction 
  • Gas Key Grade 8 Hardened Fasteners
  • Gas Key Staked Per Mil-Spec
  • Origin: Made in the USA
  • Weight: 11.4 oz

FFL Terms and Conditions - Any items placed on the same order as a firearm/lower receiver will also be shipped to the FFL. If you would like additional items shipped to you directly, please place them on a separate order. To expedite your order, please have your dealer fax or email their FFL to us. If the dealer you are using to transfer a firearm has not sent us a currently updated FFL to put on file, there will be an extended period of time needed to process your order. Due to the high volume of orders, please allow up to two weeks for delivery of firearms. Email: [email protected].

Milspec and works good.

Good gas key staking. Runs just as excepted. Flawless.
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