Rosco Bloodline 16" M4 5.56 NATO Barrel
Rosco's Bloodline 16" M4 profile barrel in 5.56 NATO features properly sized gas ports, 4150 CMV steel with nitride finish, and 1:7 twist for optimized performance and reduced wear.
Rosco Bloodline 16" M4 5.56 NATO Barrel
This Rosco Bloodline barrel represents modern carbine engineering designed for today's shooter, not yesterday's specifications. The 16" M4 profile delivers the balance and handling characteristics serious rifle builders demand.
Key Features
- Caliber: 5.56 NATO
- Length: 16" with carbine-length gas system
- Twist Rate: 1:7 (optimized for modern ammunition weights)
- Material: 4150 CMV steel with nitride finish
- Threading: 1/2x28 (standard for suppressors and muzzle devices)
- Gas Port Sizing: Precisely engineered to optimize dwell times and reduce over-gassing
Why Choose Rosco
Rosco barrels are engineered with input from both civilian shooters and military end users. Rather than applying generic specifications, Rosco tailors each barrel's twist rate, gas port sizing, and materials to real-world applications.
Whether you're building a suppressed carbine, running an SBR, or assembling a balanced patrol rifle, properly sized gas ports make the difference. Over-gassed barrels accelerate wear on critical components and degrade reliability. This barrel's engineering minimizes that wear while maintaining the performance you need.
The nitride finish provides excellent corrosion resistance and durability, while the 4150 CMV steel offers proven reliability in demanding conditions. This is a barrel built for shooters who understand that specifications matter.
Features
- 4150 cmv
- m4 profile
- 1:7 twist
- 1/2x28 thread pitch
- carbine length gas system
- nitride finish
- 16 m4 profile barrel"
- .750 gas block size
- 1:7 twist rate
- 11 degree barrel crown
- designed for modern carbine usage
