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This Diamondback barrel gives you a solid foundation for a 7.62×39 AR build that handles real-world use. Built from 4150 chrome moly vanadium steel, it's the same material trusted for durability under demanding conditions. The 1:9.5 twist rate pairs well with standard 123-grain ammunition while still handling heavier projectiles when needed.
The black nitride coating goes beyond just looking good. It penetrates deep into the steel itself rather than sitting on top, which means it won't chip or flake off like some coatings. You get genuine corrosion resistance without needing to constantly oil the barrel, and the hardened surface stands up to carbon buildup from high-volume shooting. The finish also reduces friction inside the bore, which helps keep things running clean and smooth.
With a 16-inch barrel, the carbine-length gas system hits the sweet spot for 7.62×39. This setup keeps the impulse manageable while maintaining reliable cycling. The barrel is machined with precision on CNC equipment and inspected at multiple stages to catch any inconsistencies before it ships. The threaded muzzle end accepts standard 5/8×24 flash hiders and muzzle devices, giving you plenty of options for accessories.
The barrel arrives with an 11-degree target crown for accuracy and proper headspacing compatibility. Medium profile contour keeps weight reasonable while maintaining the structural integrity you need for sustained shooting. Thread diameter is 5/8×24, and the bore is precisely button rifled with 6 grooves for consistent performance across different ammunition types.
Yes, this barrel is designed to fit standard AR-15 platform uppers. The 5/8×24 threading is universal for most muzzle devices. Keep in mind that 7.62×39 requires its own dedicated bolt and magazines that are matched to the cartridge's specifications, as they differ from 5.56 parts. Make sure your upper receiver is chambered for 7.62×39.
The 1:9.5 twist balances reliability with a wide range of ammunition weights. It stabilizes standard 123-grain ammunition very well while still handling lighter loads and heavier bullets in the 150-grain range. Some builders prefer 1:10 for ultra-light projectiles, but the 1:9.5 offers versatility without sacrificing accuracy for typical 7.62×39 loads.
Nitride barrels are low-maintenance compared to phosphate or parkerized finishes. Regular cleaning with a bore brush and solvent is all you need for normal shooting. The hard finish resists rust and carbon buildup, so you won't need constant oiling. Just keep the bore clean and dry between range sessions.
The carbine-length system works well with this 16-inch barrel and the 7.62×39 cartridge, providing consistent cycling with most ammunition types. The shorter gas system keeps the rifle compact while maintaining reliability. Proper buffer setup and spring tension in your lower receiver will maximize performance with this barrel.
| UPC | 815875019091 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DB7.62X39C16M50B9.5-R |
| Length | 16" |
| Model |
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