Rosco Bloodline 16″ 5.56 NATO Nitride Heavy Carbine Barrel

Description

The Rosco Manufacturing Bloodline 16″ 5.56 NATO heavy carbine barrel is engineered for demanding duty cycles and sustained use. It pairs a heavy contour with a Nitride finish on 4150 CMV steel to prioritize durability and corrosion resistance. Designed for carbine-length gas systems, the barrel suits patrol carbines, suppressed builds, and hard-use range platforms. Specifications focus on practical performance, longevity, and compatibility with common AR-15 carbine components.

Key Specifications

• Chambered for .223 REM/5.56 NATO.
• Barrel length is 16″.
• Finish is Nitride.
• Contour is a Heavy profile.
• Rate of twist is 1:7.
• Gas system length is Carbine.
• Muzzle threads are 1/2-28.
• Barrel weight is 1.5 lbs.
• Material is 4150 CMV.
• Color is Black.

Built to serve as a durable foundation for a variety of carbine builds, the Bloodline barrel combines robust materials and practical features for reliable real-world performance. Its heavy contour and Nitride treatment help manage heat and wear during extended use, while the 1:7 twist accommodates a broad range of bullet weights. Expect a stable, long-lasting platform suited to demanding duty and precision-oriented carbine setups.