Fail Zero AR15 Semi-Auto BCG – Matt EXO Nickel Boron | 5.56/.223/300BLK Compatible
Not Yet Rated | Write the First Review SKU: 222-FAI-FZ-AR15-01-NH-MATTE
UPC: 94922014368
MFG#: FZ-AR15-01-NH-MATTE

Fail Zero AR15 Semi-Auto BCG – Matt EXO Nickel Boron | 5.56/.223/300BLK Compatible

Smarter Cycling. Cleaner Shooting. Fail Zero Reliability.

The Fail Zero AR15 Semi-Auto BCG is engineered for AR15 builders and shooters who demand smooth function, enhanced durability, and low-maintenance performance. This drop-in, fully assembled semi-auto bolt carrier group is compatible with 5.56 NATO, .223 Rem, and 300 Blackout upper receivers, making it a versatile upgrade for hunting, defense, or range-ready rifles.

What sets it apart? Every critical part of this BCG is coated with Fail Zero’s patented EXO Nickel Boron (NiB) finish—a technology trusted in the military and law enforcement world for its permanent dry lubricity, corrosion resistance, and ability to run cleaner and cooler than phosphate or nitride alternatives.

⚙️ Key Features:

• ✅ Fits Standard AR15 Upper Receivers – Drop-in ready for 5.56/.223/300 BLK

• ✅ Semi-Auto Carrier Design – Compliant and optimized for civilian builds

• ✅ EXO Nickel Boron Coated – Provides permanent dry lubricity, extreme wear resistance, and easy cleanup

• ✅ Nickel Boron Treated Components:

  • Bolt & Extractor (5.56/.223/300 BLK compatible)

  • Bolt Carrier

  • Cam Pin

  • Carrier Key

  • Firing Pin

• ✅ Enhanced Reliability – Designed to resist fouling and heat during sustained fire

• ✅ Ideal for Home Defense, Hunting, and Recreational Shooting

• ✅ Runs Smoothly with Less Lube – Perfect for suppressed or high-round-count rifles

🔫 A Bolt Carrier Group You Can Count On

Whether you're building a home defense rifle, an all-day plinker, or a lightweight hunting AR, the Fail Zero AR15 Semi-Auto BCG gives you battle-tested tech in a civilian-legal platform. Its Nickel Boron finish reduces wear, improves performance over time, and makes post-range cleanup a breeze.

For shooters who value longevity, consistency, and true drop-in reliability, this is the BCG to trust.