FailZero EXO Nickel Boron Bolt Assembly

FailZero EXO Nickel Boron Bolt Assembly

This fully assembled bolt carrier is engineered for shooters who demand reliability and ease of maintenance. The EXO Nickel Boron coating delivers permanent dry lubricity—meaning your rifle runs smoother with less friction, even without traditional lubricants.

Key Features

• Nickel Boron (NiB) Coating: Provides exceptional wear and corrosion resistance
• Reduced Friction: Improves cycling reliability and overall rifle performance
• Easy Cleanup: The slick coating minimizes carbon buildup, making field stripping and cleaning faster
• Mil-Spec Compatible: Works with most AR-15, M16, and M4 platforms
• Fully Assembled: Ready to install—no gunsmithing required

Why It Matters

The bolt carrier is the hardest-working component in your rifle. By reducing friction and resisting corrosion, the EXO coating keeps your rifle running reliably through extended shooting sessions, adverse conditions, and extended storage. Whether you're at the range, in the field, or preparing for duty, this bolt assembly delivers the performance and durability serious shooters expect.