FailZero AR-308 / AR-10 EXO Nickel Boron Bolt Carier Group
Original price was: $249.95.$234.95Current price is: $234.95.
Elevate your AR-308 or AR-10 with the FailZero AR-10 Nickel Boron BCG. Engineered for durability and reliability, FailZero’s EXO coating delivers unmatched consistency and longevity. Made in the USA with high-quality materials, this DPMS pattern BCG is a direct drop-in replacement, ensuring hassle-free installation. Experience smoother operation and reduced friction with FailZero’s EXO-coated components. Upgrade to the best with FailZero!
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FailZero .308 EXO Nickel Boron coated Bolt Carrier Group
FailZero AR-10 Nickel Boron BCG Specifications:
- DPMS Pattern Bolt Carrier Group
- EXO Nickel Boron coated
- Carrier, Bolt, Extractor, Cam Pin, gas key, and firing pin coated
- fits Most DPMS Style .308 / AR-10 Uppers
- Full Auto Style Cut Carrier
- Compatible DPMS Style .308 and 6.5 Creedmoor
- Made in the USA
- SKU: FZ-AR10
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov
The FailZero EXO nickel boron coating is applied to every contact surface of the bolt carrier group using a proprietary electroless process that bonds the coating to the metal at the molecular level, producing a surface harder than chrome and more slippery than PTFE. The EXO coating is self-lubricating, reducing friction between the carrier and upper receiver and between the bolt and barrel extension without relying on oil to maintain smooth cycling. This is particularly valuable in .308 and AR-10 platform rifles, where the higher chamber pressures and larger case volume generate more carbon fouling per round than a 5.56 NATO load. The EXO surface sheds carbon more readily than a phosphate finish, making cleaning faster and maintaining reliable function with less maintenance between cleaning intervals. The AR-308/AR-10 BCG is built to DPMS-pattern dimensions and is compatible with DPMS-pattern upper receivers chambered in .308 Winchester and other DPMS-compatible cartridges. For .308 AR-10 platform shooters who want a BCG that runs reliably with less lubrication and cleans up faster than a standard phosphate bolt carrier group, the FailZero EXO AR-308 BCG is a well-established option in the AR-10 BCG category.
| Weight | 1.5 lbs |
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Frequently Asked Questions
What is the FailZero EXO nickel boron coating on a BCG?
EXO is applied via an electroless process to every contact surface of the bolt carrier group, bonding to the metal at the molecular level. The finish is self-lubricating, harder than chrome, and sheds carbon more readily than phosphate — reducing cleaning time and allowing the BCG to run reliably with less lubrication between sessions.
Is this BCG compatible with all AR-10 pattern uppers?
This BCG is built to DPMS-pattern AR-308 dimensions and is compatible with DPMS-pattern AR-10 upper receivers. It is not compatible with Armalite-pattern AR-10 uppers, which use different carrier and rail dimensions. Verify your upper receiver’s pattern before ordering.
What calibers does this BCG support?
The FailZero AR-308 EXO BCG is designed for .308 Winchester and other DPMS-compatible cartridges using the standard AR-10 bolt face. Confirm cartridge and upper receiver compatibility before use, as some AR-10 pattern cartridges may require a caliber-specific bolt.
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