Failzero EXO Nickel Boron 7.62×39 Bolt Carrier Group

Description

## Fail Zero EXO Coated 7.62×39 Bolt Carrier Group

Looking for a top-quality, American-made bolt carrier group for your AR-15 chambered in 7.62×39? Failzero has you covered with their EXO Nickel Boron 762×39 BCG. This BCG features Failzero’s patented NIB Process coating, which gives it the highest boron content of any NiB coating on the market. The result is a highly consistent and durable coating that is easy to clean and provides superior performance in your weapon. The EXO coating also protects against corrosion and makes cleanup a breeze, even with corrosive 7.62×39 ammunition. All components are fully assembled and ready to drop into your rifle for immediate use. Don’t settle for anything less than the best – get your Failzero EXO NiB BCG today!

### Failzero Nickel Boron 762×39 BCG Specifications:

– 7.62 x 39 Bolt Carrier Group
– EXO Nickel Boron coated
– Black Rifle Arms Enhanced Firing Pin
– Carrier, Bolt, Extractor, Cam Pin, gas key, and firing pin coated
– fits all [AR-15](https://daytonatactical.com/collections/upper-receivers/ar-15-upper-receivers/)/M-16 Mil-Spec Uppers
– Compatible Calibers are 7.62 x 39
– M16 Bolt Carrier Cut
– FailZero Logo Engraved into carrier
– Weight 11.2 oz.
– Made in the USA
– SKU: FZ-7.62X39-01-NH

NOTE:  Golden Tiger and Tula Ammunition may still have light strikes due to the primers setting too far in even with the 7.62×39 Enhanced Firing Pin.

**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**](https://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 finish to the metal at the molecular level — producing a surface that is harder than chrome and more slippery than PTFE. The EXO surface is genuinely self-lubricating, reducing friction between the carrier and the upper receiver and between the bolt and barrel extension throughout the cycling cycle without requiring oil or grease to maintain smooth operation. This self-lubricating property is particularly valuable in high-round-count situations or environments where re-lubrication opportunities are limited, as the BCG continues to cycle smoothly even as lubricant burns off or is displaced by fouling. Carbon and fouling shed from the EXO surface more readily than from a standard phosphate finish, making cleaning significantly faster and allowing the BCG to maintain function with less maintenance between range sessions or field use. The BCG is built to mil-spec dimensions and is compatible with standard AR-15 and M16 pattern upper receivers. For AR-15 shooters who want the long-term maintenance, friction, and corrosion benefits of nickel boron coating over a standard phosphate BCG, the FailZero EXO bolt carrier group is a proven option across defensive, competition, and general-purpose builds.