FailZero AR15 Nickel Boron Bolt Carrier Group | AR NIB BCG

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Your Price: $119.99
Retail Price:$159.99
You Save:$40.00(25%)
FailZero Semi-Auto AR-15 Bolt Carrier Group finished in EXO Nickel Boron technology for permanent dry lubricity, extreme durability, and increased wear and corrosion resistance. This AR BCG comes completely assembled and ready to drop-in and upgrade your current Mil-Spec AR rifle or finish your home AR rifle build right. The patented Nickel Boron coating improves overall performance of your rifle by reducing friction and allowing smooth chambering of each round.
Part Number: FZNIBG-NIB
Availability: Out of Stock.
FailZero Semi-Auto AR-15 Bolt Carrier Group finished in EXO Nickel Boron technology for permanent dry lubricity, extreme durability, and increased wear and corrosion resistance.  This AR BCG comes completely assembled and ready to drop-in and upgrade your current Mil-Spec AR rifle or finish your home AR rifle build right.  The patented Nickel Boron coating improves overall performance of your rifle by reducing friction and allowing smooth chambering of each round.

FailZero Semi-Auto 5.56 AR BCG Coated in NiB Features:



  • Patented EXO Nickel Boron coating on the following parts:
    • Bolt
    • Extractor
    • Bolt Carrier
    • Cam Pin
    • Carrier Key
    • Firing Pin
  • Compatible with the following calibers:
    • 5.56 NATO
    • .223 Remington
  • Improves:
    • Reliability
    • Durability
    • Corrosion Resistance
    • Wear Resistance
  • Comes fully assembled and ready to drop-in most Mil-Spec AR15 uppers
  • Provides permanent dry lubricity