Fail Zero115771616
FailZero Bolt Carrier Group, 7.62X39, Nickel Boron Coated, No Hammer FZ-7.62X39-01-NH $173.19
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Availability: In Stock
The FailZero 6.8 SPC nickel boron coated bolt carrier group is a complete, drop-in solution for builders and shooters running 6.8 SPC in modern sporting rifles. This fully assembled BCG ships without a hammer, giving you a clean foundation to pair with your preferred trigger setup. FailZero's EXO nickel boron coating is applied to all critical surfaces—bolt, extractor, carrier, cam pin, and firing pin—creating a permanent dry-film finish that eliminates the need for constant relubrication while dramatically improving durability and corrosion resistance.
Built to Mil-Spec dimensions, this BCG drops into any standard 6.8 SPC upper receiver and works with both standard 6.8 SPC and 6.8 SPC II cartridges. The extractor assembly features a heavy spring paired with a silicone insert and o-ring, engineered to deliver consistent, reliable extraction even under demanding use. The nickel boron coating does more than just look clean—it reduces friction, cuts cleaning time, and lets your rifle run leaner and meaner in the field or at the range.
Whether you're building a precision hunting rifle, a hard-use patrol gun, or a long-range competitor, this bolt carrier group gives you the performance backbone that FailZero is known for. The no-hammer configuration is ideal if you're upgrading from an older BCG or integrating a match-grade trigger you already trust. Run it bone dry or with minimal lube; the coating does the heavy lifting.
| Caliber | 6.8 SPC / 6.8 SPC II |
| Configuration | Bolt Carrier Group (No Hammer) |
| Coating | EXO Nickel Boron |
| Bolt Cut | M16 |
| Extractor Spring | Heavy Spring with Silicone Insert and O-Ring |
| Coated Components | Bolt, Extractor, Carrier, Cam Pin, Firing Pin |
| Compatibility | Mil-Spec 6.8 SPC Uppers; also 224 Valkyrie compatible |
| Model Number | FZ-6.8SPC-01-NH |
Yes—this bolt carrier group is Mil-Spec dimensioned and drops into any standard 6.8 SPC upper receiver. It's also compatible with 224 Valkyrie uppers and works with both 6.8 SPC and 6.8 SPC II ammunition.
This BCG ships without a hammer so you can pair it with your own hammer or match-grade trigger group. It's a common choice for builders who are upgrading existing rifles or integrating a specific trigger module.
The EXO nickel boron coating provides permanent dry lubricity, which means you can run this BCG with far less—or even no—added lubricant compared to a standard carrier. You'll spend less time cleaning and more time shooting.
This BCG is designed for 6.8 SPC and 6.8 SPC II cartridges. The heavy-spring extractor with silicone insert and o-ring is engineered to deliver reliable extraction across both variants.
SKU: 115654978 • Width: 3.75in • Height: 1.75in • Depth: 11in • Weight: 0.81oz
Availability: In Stock
The FailZero 6.8 SPC nickel boron coated bolt carrier group is a complete, drop-in solution for builders and shooters running 6.8 SPC in modern sporting rifles. This fully assembled BCG ships without a hammer, giving you a clean foundation to pair with your preferred trigger setup. FailZero's EXO nickel boron coating is applied to all critical surfaces—bolt, extractor, carrier, cam pin, and firing pin—creating a permanent dry-film finish that eliminates the need for constant relubrication while dramatically improving durability and corrosion resistance.
Built to Mil-Spec dimensions, this BCG drops into any standard 6.8 SPC upper receiver and works with both standard 6.8 SPC and 6.8 SPC II cartridges. The extractor assembly features a heavy spring paired with a silicone insert and o-ring, engineered to deliver consistent, reliable extraction even under demanding use. The nickel boron coating does more than just look clean—it reduces friction, cuts cleaning time, and lets your rifle run leaner and meaner in the field or at the range.
Whether you're building a precision hunting rifle, a hard-use patrol gun, or a long-range competitor, this bolt carrier group gives you the performance backbone that FailZero is known for. The no-hammer configuration is ideal if you're upgrading from an older BCG or integrating a match-grade trigger you already trust. Run it bone dry or with minimal lube; the coating does the heavy lifting.
| Caliber | 6.8 SPC / 6.8 SPC II |
| Configuration | Bolt Carrier Group (No Hammer) |
| Coating | EXO Nickel Boron |
| Bolt Cut | M16 |
| Extractor Spring | Heavy Spring with Silicone Insert and O-Ring |
| Coated Components | Bolt, Extractor, Carrier, Cam Pin, Firing Pin |
| Compatibility | Mil-Spec 6.8 SPC Uppers; also 224 Valkyrie compatible |
| Model Number | FZ-6.8SPC-01-NH |
Yes—this bolt carrier group is Mil-Spec dimensioned and drops into any standard 6.8 SPC upper receiver. It's also compatible with 224 Valkyrie uppers and works with both 6.8 SPC and 6.8 SPC II ammunition.
This BCG ships without a hammer so you can pair it with your own hammer or match-grade trigger group. It's a common choice for builders who are upgrading existing rifles or integrating a specific trigger module.
The EXO nickel boron coating provides permanent dry lubricity, which means you can run this BCG with far less—or even no—added lubricant compared to a standard carrier. You'll spend less time cleaning and more time shooting.
This BCG is designed for 6.8 SPC and 6.8 SPC II cartridges. The heavy-spring extractor with silicone insert and o-ring is engineered to deliver reliable extraction across both variants.
SKU: 115654978 • Width: 3.75in • Height: 1.75in • Depth: 11in • Weight: 0.81oz