Fail Zero EXO Coated AR-15 Bolt Carrier Group – Nickel Boron
Not Yet Rated | Write the First Review SKU: 222-FAI-009-FZAR15-01-NH
UPC: 881315000000
MFG#: 009-FZAR15-01-NH

FailZero EXO Coated AR-15 Bolt Carrier Group – Nickel Boron | MPI | Drop-In Ready

Flawless Function. Industry-Leading Coating. Built for Reliability.

The FailZero EXO Coated AR-15 Bolt Carrier Group sets the standard for smooth, long-lasting performance in any AR-15 rifle build. Designed for shooters who demand durability, clean operation, and flawless reliability, this drop-in BCG is built using FailZero’s patented EXO Nickel Boron coating, offering true permanent dry lubricity, unmatched corrosion resistance, and a slick cycling action under all conditions.

Unlike other NiB finishes, FailZero’s EXO technology is the original and most advanced in the industry—ensuring that this bolt carrier group stays cooler, runs cleaner, and lasts longer than traditional phosphate or nitride alternatives.

⚙️ Key Features:

• ✅ AR-15 Cut Carrier – Semi-auto design optimized for civilian and sport shooting use

• ✅ EXO Nickel Boron Coated – Applied to all critical components for smoother function & reduced fouling

• ✅ Fully Assembled & Drop-In Ready – Fits any MIL-SPEC AR-15 upper

• ✅ Magnetic Particle Inspected (MPI) Bolt – Ensures strength and reliability under pressure

• ✅ Live-Fire Tested – Quality verified for real-world reliability

• ✅ Nickel Boron Treated Components:

  • Bolt

  • Bolt Carrier

  • Extractor

  • Cam Pin

  • Carrier Key

  • Firing Pin

• ✅ Runs with Minimal Lube – Perfect for high-round-count, suppressed, or defensive rifles

• ✅ Low Maintenance & High Performance – Spend more time shooting, less time cleaning

🔫 Perfect for Any Build – From Defense to Competition

Whether you’re upgrading a duty rifle, building a suppressed home-defense gun, or tuning a match-ready AR, the FailZero EXO Coated AR-15 BCG provides unmatched performance in every category. Backed by real-world use and FailZero’s pioneering NiB coating, it’s the last bolt carrier group you’ll need.