Rosco Manufacturing Bloodline Barrel for AR-15 – 5.56 NATO, 16″, 1:7 Twist (BL-16-HB-556-7-C)

• 16 inch rifle barrel chambered in 556NATO designed for modern sporting rifle applications
• 1:7 twist rate suitable for stabilizing heavier projectiles commonly used in 556 ammunition
• Manufactured from 4150 CMV steel ensuring durability and resistance to high temperature firing cycles
• Heavy barrel contour supports improved heat dissipation during extended firing sessions and training use
• 1/2x28 threaded muzzle compatible with standard flash hiders compensators and muzzle devices
• Carbine length gas system configured for reliable cycling and balanced recoil impulse performance

The Rosco Manufacturing Bloodline Heavy Barrel 556NATO 16 Inch 1:7 Twist Nitride Black is a rifle barrel designed for AR-15 platform builds chambered in 5.56 NATO. This rifle barrel features a 16 inch length with a heavy profile and a 1:7 twist rate for projectile stabilization.

The Rosco Manufacturing Bloodline rifle barrel is constructed from 4150 CMV steel and uses a nitride finish for durability. It includes a 1/2×28 thread pitch for muzzle device attachment and a carbine length gas system configuration. The heavy contour defines the barrel profile, and the twist rate supports standard 5.56 projectile weights. This model is used for rifle assembly and range use where a 16 inch 5.56 NATO barrel with carbine gas system is required.