Description

## FailZero .224 Valkyrie EXO Coated Bolt Carrier Group

Looking for a top quality, reliable bolt carrier group for your AR-15? Look no further than the Failzero EXO Nickel Boron .224 Valkyrie Bolt Carrier Group! This BCG is perfect for any serious AR-15 builder or shooter who wants the best of the best.

What sets the Failzero EXO Nickel Boron BCG apart from the competition? First and foremost, it features Failzero’s patented NIB Process When Coating their Bolt Carrier Groups. This gives their coating the most boron content in the field of Nickel boron coating, resulting in a more consistent and durable quality coating. Additionally, this BCG is compatible with 6.8 SPC and features upgraded extractor parts including a heavy spring and silicone insert for increased extraction tension.

Best of all, this BCG is fully assembled and ready to drop-in to your AR-15 right out of the package – no gunsmithing required! The parts that are EXO Coated provide a permanent dry lube inside your AR for durability and corrosion Resistance, as well as reduced friction for a better performing cycle. Don’t settle for anything less than the best – get your Failzero EXO Nickel Boron .224 Valkyrie Bolt Carrier Group today!

### Failzero 224 Valkyrie BCG Specifications:

– .224 Valkyrie Bolt Carrier Group (6.8 SPC Compatible)
– EXO Nickel Boron coated
– Carrier, Bolt, Extractor, Cam Pin, gas key, and firing pin coated
– fits all AR-15/M-16 Mil-Spec Uppers
– Compatible Calibers are .224 Valkyrie and 6.8 SPC
– M16 Bolt Carrier Cut
– FailZero Logo Engraved into carrier
– Weight 11.2 oz.
– Made in the USA
– SKU: FZ-.224VALKRIE-BCG

**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.