Rosco Manufacturing Barrels Including the Bloodline and Purebred Series
Based in Central Falls, Rosco Manufacturing produces AR-pattern parts and components. Functioning primarily as an OEM supplier within the firearms industry, the brand manufactures its consumer products with strict quality control standards and precise machining tolerances.
The Rosco Manufacturing Bloodline series is widely used in duty-style and general-purpose AR builds. Manufactured from 4150 steel with a nitride finish, the lineup includes the Bloodline 10.5 barrel and the 11.5 barrel, both commonly used in short-barreled rifle configurations. The 10" 9mm barrel and dedicated AR-9 barrel support a variety of AR-9 and pistol-caliber carbine configurations. The Purebred line features barrels manufactured from 416R stainless steel.
Rosco Manufacturing Gas Blocks, Upper Assemblies, and AR Components
Beyond individual barrels, the company's Rhode Island facility machines compatible components, including the gas block and complete Rosco Manufacturing upper assemblies.
The selection at GRITR Sports includes Rosco Manufacturing barrels, gas blocks, upper assemblies, and other components from across the brand's lineup.