Fail Zero M16 / AR-15 EXO Coated Bolt Carrier Group – Nickel Boron
Not Yet Rated | Write the First Review SKU: 222-FAI-009-FZM16/4-01-NH
UPC: 881315000000
MFG#: 009-FZM16/4-01-NH

FailZero M16 / AR-15 EXO Coated Bolt Carrier Group – Nickel Boron | MPI | Drop-In Ready

When Failure Isn't an Option—Choose FailZero.

The FailZero M16 / AR-15 EXO Coated Bolt Carrier Group (BCG) is the go-to solution for high-performance AR builds, engineered with military-grade precision and coated in FailZero’s patented EXO Nickel Boron (NiB) technology. Designed for shooters who demand the best in reliability, smooth cycling, and low-maintenance operation, this drop-in BCG fits any mil-spec AR-15 or M16 upper receiver and is full-auto rated.

Unlike generic NiB coatings, FailZero's EXO technology is the industry gold standard—offering permanent dry lubricity, outstanding heat resistance, and exceptional corrosion protection. Whether you’re running suppressed, training hard, or preparing for duty, this BCG stays cleaner, cooler, and more consistent through thousands of rounds.

⚙️ Key Features:

• ✅ Drop-In Ready for Mil-Spec AR-15 & M16 Uppers

• ✅ M16 Cut Carrier – Full-auto rated, built to endure sustained fire

• ✅ EXO Nickel Boron Coating on All Critical Components – Superior to standard NiB finishes

• ✅ Magnetic Particle Inspected (MPI) Bolt – Tested for structural integrity

• ✅ Live-Fire Tested for Reliability – Proven to perform under pressure

• ✅ EXO Coated Components Include:

  • Bolt

  • Bolt Carrier

  • Cam Pin

  • Carrier Key

  • Extractor

  • Firing Pin

• ✅ Corrosion & Wear Resistant – Performs in extreme environments

• ✅ Runs With Minimal Lubrication – Dry lubricity keeps your rifle clean and reliable

🔫 The Elite BCG for Duty, Defense, and Performance

The FailZero M16/AR-15 EXO Coated BCG is trusted by professionals, competitors, and armed citizens alike. Whether you're defending your home, training on the range, or fielding a duty rifle, this BCG gives you uncompromising reliability and industry-leading technology in every cycle.