AR15 5.56 NATO 10" Black Nitride 4150 Steel Contour Barrel, Carbine Length Gas Sytem w/ 1:8 Twist
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This OT Suppler barrel is machined under ISO-9002 Quality Systems, allowing us to put every barrel through a 100% inspection and air gauging process, ensuring every individual barrel is flawless before it leaves the facility.
This 10", 1:8 twist, M4 contour barrel is machined from 41V50 chrome moly steel, heat treated to RC 28-32 hardness. It is properly stress relieved and then applied a durable salt bath nitride finish. Chambered for 5.56 NATO.
All NFA and local laws apply, make sure you know them before ordering or installing this barrel.
Specifications:
- 5.56 NATO 10" Inch Length Barrel
- 1:8 Twist
- Carbine Length Gas System
- Black Nitride
- Made in USA
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