Fail Zero 9MM EXO Nickel Boron Bolt Carrier Group - AR9 / AR-15

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Product Code: FZ-9MM-BCG
Quantity in Stock Quantity in Stock: IN STOCK
MSRP: $199.99
Sale Price: Sale Price: $194.95
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Fail Zero 9MM EXO Nickel Boron Bolt Carrier Group - BCG

Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero.
This 9mm AR Rifle Carrier Group (BCG) is fully assembled and can fit into most 9mm AR platform rifles and pistols. FailZero 9mm BCG is compatible with Glock or Colt magazines.

  • FZ 9MM BCG is compatible with both Glock and Colt style magazines.
  • 8620 heat treated (same as Mil-Spec) AR Carrier
  • EXO Nickel Boron Technology Coating
  • Staked carrier guide (gas key)
  • 5.56 Extractor
  • Chrome Firing Pin
All key parts are coated with EXO nickel boron technology, which can provide permanent dry lubricity, extremely high durability and improve wear resistance and corrosion resistance. The patented nickel-boron coating reduces friction and improves the overall performance of the rifle.


  • Bolt Finish - Nickel Boron
  • Bolt Material - 8620 Tool Steel
  • Brand - Fail Zero
  • Caliber Gauge - 9mm Luger
  • Carrier Finish - Nickel Boron
  • Carrier Material - 8620 Tool Steel
  • Carrier Style - Pistol Caliber Blow Back Carrier
  • Platform - AR-15