Rosco Manufacturing AR-15 Bloodline 7.5 9mm Luger 1-10 Twist 1/2-28 Nitro

The Rosco Manufacturing AR-15 Bloodline Barrel in a compact 7.5" length delivers a purpose-built 9mm Luger option for AR-15 enthusiasts seeking reliable, precision-oriented performance in a versatile pistol-caliber setup, featuring a medium contour that balances weight and rigidity for consistent accuracy. This nitride-finished barrel is engineered with a 1-10 twist and 1/2-28 muzzle threads, ensuring smooth feed and stable stabilization of 9mm ammunition while maintaining dependable cycling and velocity in short-barrel configurations. Designed for AR-15 compatibility, the Bloodline barrel combines rugged durability with a refined bore finish to reduce wear and help sustain repeatable shot strings, making it ideal for close-quarters practice, target work, or tactical-style builds where reduced overall weapon length is desirable without sacrificing handling. The combination of a lightweight 1.5 lb profile and a nitride finish enhances corrosion resistance and ease of maintenance, while the compact seven-and-a-half inch length supports quick target acquisition and practical field use. Built by Rosco Manufacturing, this barrel is a strategic upgrade for shooters pursuing consistent performance, reliable cycling, and a streamlined platform that excels in pistol-caliber AR configurations.