Rosco Manufacturing Ar-15 10.5in Purebred Heavy Pistol Barrel 1-7 5/8-24 300Blk

The Rosco Manufacturing AR-15 10.5'' PUREBRED heavy pistol barrel in 300 AAC Blackout combines rugged performance with precise engineering to deliver reliable, accurate hard-hitting results for short-barreled AR platforms. Built with a heavy contour and bead blasted finish, this 10.5-inch barrel features a 1-7 twist and 5/8-24 muzzle threads, optimizing stabilization and compatibility for a wide range of .30 caliber subsonic and supersonic loads while maintaining manageable recoil for fast follow-up shots. Designed for AR-15 compatibility with pistol gas system length, the Purebred barrel balances maneuverability with dependable cycling, making it an ideal choice for compact, close-quarters rifles, designated marksman setups, or varmint and hog hunts where concealment and velocity matter. The combination of the 10.5'' length and 300 AAC Blackout chamber provides improved muzzle velocity, suppressed performance potential, and enhanced ballistic efficiency without sacrificing accuracy. With its robust construction and purpose-driven specs, this barrel is a strong foundation for builds requiring a compact, versatile platform capable of delivering consistent groupings and reliable performance across a range of factory and handloaded .300 BLK ammunition.