FailZero EXO Nickel Boron 9mm AR9 AR-15 Bolt Carrier Group

Manufactured by Fail Zero
Manufactured by Fail Zero
3 Reviews

In Stock

Standard orders will ship out 2 business days if ordered by 3:30 pm CST, Monday-Friday. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination.



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.

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.
See More


Bolt FinishNickel Boron
Bolt Material8620 Tool Steel
BrandFail Zero
Caliber Gauge9mm Luger
Carrier FinishNickel Boron
Carrier Material8620 Tool Steel
Carrier StylePistol Caliber Blow Back Carrier

Ratings & Reviews

3 reviews

  • 4 stars
  • 0 reviews
  • 3 stars
  • 0 reviews
  • 2 stars
  • 0 reviews
  • 1 star
  • 0 reviews

9mm Faul Zero Bolt Carrier Group is a must buy

by -

From the first round it ran perfect and smooth, excellent extractor too.
<br>Thanks for a great product.

Awesome Bolt Carrier Group

by -

It made my AR 9mm super reliable.

She’s a Beaty!

by -

Easy to clean, I prefer this look over black, easy to spot all the gun powder.