Fail Zero 7.62×39 Bolt Carrier Group – EXO Nickel Boron
Not Yet Rated | Write the First Review SKU: 222-FAI-FZ-7.62X39-01-NH
UPC: 94922034960
MFG#: FZ-7.62X39-01-NH

Fail Zero 7.62×39 Bolt Carrier Group – EXO Nickel Boron | Enhanced Firing Pin

Built to Run Dirty Ammo. Engineered for Unmatched Reliability.

The Fail Zero 7.62×39 Bolt Carrier Group is the ultimate upgrade for AR-15s chambered in 7.62×39, offering enhanced ignition, rugged reliability, and low-maintenance performance in one drop-in-ready package. Whether you’re building a modern AK-alternative or running corrosive Russian surplus ammo, this BCG is purpose-built to keep your rifle cycling clean and consistent.

Fully assembled and Mil-Spec compatible, this BCG features Fail Zero’s EXO Nickel Boron coating on all critical parts. This military-grade finish provides permanent dry lubricity, superior wear resistance, and easy cleanup—even after dirty or corrosive ammo.

What truly sets it apart? The included Black Rifle Arms Enhanced Firing Pin—specifically dimensioned for reliable primer strikes with hard, steel-cased 7.62×39 ammo like Tula, Wolf, and Golden Tiger.

⚙️ Key Features:

• ✅ Fits Most Mil-Spec AR-15 Upper Receivers in 7.62×39

• ✅ EXO Nickel Boron Coating – Lubricious, corrosion-resistant, and easy to clean

• ✅ M16 Cut Carrier – Durable and compatible with full-auto-rated components

• ✅ Nickel Boron Treated Components:

  • Bolt & Extractor (7.62×39)

  • Bolt Carrier

  • Cam Pin

  • Carrier Key

• ✅ Black Rifle Arms Enhanced Firing Pin – Longer and dimensionally optimized for steel case reliability

• ✅ Improved Extraction Hardware – Heavy spring, silicone insert, and o-ring for stronger ejection

• ✅ Mil-Spec Bolt Length – Enhanced reliability over shortened bolts found in some 7.62×39 AR builds

• ✅ Drop-In Ready – Fully assembled and ready for the range

🔫 Designed for Hard-Use Ammo and Real-World Conditions

Running steel-cased 7.62×39 through an AR platform comes with unique challenges—light primer strikes, fouling, and ejection issues. The Fail Zero 7.62×39 BCG solves all three, giving you the confidence to run thousands of rounds of affordable Russian ammo without compromise.

Whether you’re building a budget blaster, brush gun, or a duty-ready 7.62x39 AR, this is the BCG that’s ready for the job.