FailZero 224 Valkyrie EXO Nickel Boron Bolt Carrier Group


FailZero 224 Valkyrie, EXO Nickel Boron Coated, MPI / HP Tested

Availability: In stock

SKU: FZ-224V-01-NH Categories: , , Tags: , ,

FailZero 224 Valkyrie EXO Nickel Boron Bolt Carrier Group

The First in Nickel Boron Coated BCG’s

The FailZero 224 Valkyrie EXO Nickel Boron Bolt Carrier Group comes fully assembled and ready to drop into most mil spec AR15 upper receivers chambered in 224 Valkyrie.  Featuring an expertly machined 8620 Steel Carrier, Magnetic Particle Inspected (MPI) and High Pressure Tested (HPT).  All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.  Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.  Our FailZero carriers are laser etched with the FailZero logo, and are 100% made in North Carolina, USA.  This bolt asembly is also compatible with the 6.8 SPC II cartridges.  The extractor hardware includes a heavy spring, silicone insert, and 0-ring to give better extraction tension.

Nickel Boron treated parts include:

  • Bolt & Extractor (224 Valkyrie and 6.8 SPC II Compatible)
  • Bolt Carrier
  • Extractor
  • Cam Pin
  • Carrier Key
  • Firing Pin



Product Specifications

Manufacturer: FailZero
Part #: FZ-224V-01-HN
Material: 8620 Steel Carrier
Type: M16 Full Auto
Extractor: D2 Tool Steel
Coating: EXO Nickel Boron
Forward Assist Serrations: Yes
Compatibility: M16 / M4 / AR15
Caliber: 224 Valkyrie & 6.8 SPC Type II
Other: Shot Peened, MPI/HPT Inspected

MSRP: $179.99

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Weight 13 oz
Dimensions 11 × 4 × 1 in


Part Type

Bolt Carrier Group, Upper Receiver Parts




6.8 SPC, 224 Valkyrie

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