Rosco Bloodline BL-105-M4 5.56 NATO Barrel

Rosco Bloodline 10.5" M4 Barrel

The Rosco Bloodline BL-105-M4 is a purpose-built barrel designed specifically for short-barreled rifle and pistol platform builds. This 10.5-inch barrel delivers the performance characteristics you need in a compact package.

Key Features

• Caliber: 5.56 NATO
• Barrel Length: 10.5 inches
• Profile: M4 contour
• Material: 4150 chromoly vanadium steel
• Finish: Nitride treatment for enhanced durability and corrosion resistance
• Application: Optimized for SBR and pistol builds

Performance and Design

The Bloodline barrel combines Rosco's manufacturing expertise with a practical design that works well in compact configurations. The nitride finish provides superior wear resistance and a hard, durable surface that stands up to regular use and cleaning cycles.

Whether you're building a short-barreled rifle or a pistol-caliber platform, this barrel offers the reliability and accuracy you expect from a quality manufacturer. The M4 profile provides a balance of weight and rigidity suitable for modern sporting rifle applications.