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FailZero EXO Coated AR-15 Bolt Carrier Group

FailZero EXO Coated AR-15 Bolt Carrier Group

Excluding Sales Tax |


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. The AR-15 Bolt Carrier Group is fully assembled and drop-in ready for most MIL-SPEC upper receivers. All critical parts are coated with EXO Nickel Boron technology providing permanent dry lubricity, extreme durability and increased wear and corrosion resistance. This patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

NOTE: BCG may ship with either a dark FailZero logo or a subdued lasered FailZero logo.

  • AR-15 cut carrier
  • Magnetic particle inspected
  • Live fire tested
EXO Nickel Boron treated parts include:
  • Bolt, extractor, bolt carrier, cam pin, carrier key, and firing pin


Bolt Finish: Nickel Boron
Bolt Material: Carpenter 158 Steel
Caliber: 5.56 NATO
Carrier Finish: Nickel Boron
Carrier Material: 8620 Carpenter Steel
Carrier Style: AR-15 Bolt Carrier
High Pressure Tested:Yes
Magnetic Particle Inspect: Yes
Platform: AR-15
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