Fail Zero AR15 Semi-Auto BCG – Black | EXO Nickel Boron
Not Yet Rated | Write the First Review SKU: 222-FAI-FZ-AR15-01-NH-BLACK
UPC: 94920143060
MFG#: FZ-AR15-01-NH-BLACK

Fail Zero AR15 Semi-Auto BCG – Black | EXO Nickel Boron Coated Core

Tactical Finish. Proven Reliability. Semi-Auto Compliant.

The Fail Zero AR15 Semi-Auto BCG – Black combines the stealth aesthetics of a tactical black finish with the unmatched performance of Fail Zero’s EXO Nickel Boron coating beneath. Designed for AR builders and shooters who want a mil-spec compliant, semi-auto bolt carrier group with a non-reflective look and elite-level functionality, this drop-in BCG is perfect for 5.56/.223/300 Blackout setups.

Built for smooth cycling, corrosion resistance, and cleaner operation, this black BCG delivers all the benefits of Nickel Boron while maintaining a low-profile exterior ideal for tactical applications.

⚙️ Key Features:

• ✅ Fits Mil-Spec AR15 Uppers – Drop-in compatible with 5.56, .223, and 300 BLK

• ✅ Semi-Auto BCG Design – Legal for civilian rifles and optimized for standard AR builds

• ✅ EXO Nickel Boron Coating Beneath Tactical Black Finish – Superior internal performance with a sleek exterior

• ✅ Permanent Dry Lubricity – Run it with little to no oil

• ✅ Extreme Wear and Corrosion Resistance – Lasts longer under hard use and adverse conditions

• ✅ Nickel Boron Treated Internal Parts:

  • Bolt & Extractor

  • Carrier

  • Cam Pin

  • Carrier Key

  • Firing Pin

• ✅ Tactical-Grade Look with Enhanced Functionality – Ideal for suppressed, duty, or defensive rifles

🛠️ Built for Function. Finished for the Field.

The Fail Zero AR15 Semi-Auto BCG – Black is engineered to give you all the internal benefits of Nickel Boron coating—like smooth cycling, heat resistance, and fouling reduction—with the added advantage of a black, non-reflective finish for reduced visibility. Perfect for low-light operations, SBRs, suppressed rifles, or any setup where stealth matters as much as performance.