Fail Zero .450 Bushmaster EXO Nickel Boron Bolt Carrier Group - No Hammer

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Product Code: FZ-450-01-NH
Quantity in Stock Quantity in Stock: IN STOCK
MSRP: $189.99
Sale Price: Sale Price: $171.45
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Fail Zero .450 Bushmaster 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.

The .450 Bushmaster 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.


  • Bolt and extractor (.450 Bushmaster compatible)
  • M16 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
  • Brand - Fail Zero
  • Caliber Gauge - .450 Bushmaster
  • Carrier Finish - Nickel Boron
  • Carrier Material - 8620 Carpenter Steel
  • Carrier Style - M16 Bolt Carrier
  • Platform - AR-15
  • High Pressure Tested