Rosco Manufacturing Bloodline AR-15 5.56 NATO 14.5" Government Barrel - Mid-Length Nitride

The Rosco Manufacturing Bloodline is a precision 5.56 NATO barrel purpose-built for AR-15 and M4 upper receivers. This 14.5" Government-profile barrel was designed around USASOC specifications for an Improved Upper Receiver Group, combining proven military pedigree with Rosco's modern manufacturing and quality control. It is configured for a Mid-Length gas system to deliver smooth, reliable cycling across a broad range of ammunition.

Machined from 4150 chrome-moly vanadium steel and finished in black Nitride, the Bloodline offers excellent surface hardness, corrosion resistance, and bore longevity. Featuring a 1:7" twist rate, the barrel is threaded 1/2x28 for standard 5.56 muzzle devices and drops into any mil-spec AR-15/M4 upper assembly.

Whether you are building a hard-use duty rifle or a precision recreational carbine, this Rosco Bloodline barrel provides the accuracy, durability, and consistency expected from a USASOC-inspired component. This listing is for the bare barrel only - bolt carrier group, gas system, handguard, and muzzle device are not included.