Rosco Bloodline 11.5" M4 5.56 NATO Barrel

Rosco Bloodline 11.5" M4 Barrel

The Rosco Bloodline barrel represents a purposeful design for modern tactical applications. This 11.5-inch barrel is engineered specifically for short-barreled rifle (SBR) and pistol platform builds where compact size and reliability are paramount.

Key Features

• Barrel Length: 11.5 inches—ideal for maneuverable, close-quarters configurations
• Caliber: 5.56 NATO—the standard intermediate rifle cartridge
• Material: 4150 Chrome Moly Vanadium (CMV) steel with nitride finish
• Finish: Nitride treatment provides superior corrosion resistance and durability
• Profile: M4 profile—compatible with standard AR-15 components and accessories

Why Choose This Barrel

Rosco Manufacturing has built a reputation for producing quality barrels that balance performance with value. The nitride finish on 4150 CMV steel creates a hard, wear-resistant surface that stands up to extended shooting sessions and harsh environments. The M4 profile ensures compatibility with your existing parts and allows for straightforward installation.

Whether you're building a compact home-defense rifle, a truck gun, or a specialized tactical platform, this barrel delivers the reliability and accuracy you expect from a quality manufacturer.