Rosco Manufacturing Bloodline 9mm Barrel M4 14.5in 1-10 Twist 1/2x28 Thread Nitride Black BL-145-M4-9mm-10

Rosco Manufacturing Bloodline 9mm Barrel M4 14.5in 1-10 Twist 1/2x28 Thread Nitride Black BL-145-M4-9mm-10. Twist rates have also been taken into account in order to optimize performance for a multitude of rounds that you may also be running out of your competition/ duty/ concealed carry pistol in order to allow a cross platform ballistic familiarity. ALL NFA RULES APPLY Their Rosco 9mm barrels are perfect for sub-caliber carbine platforms. We have taken the time to understand the purpose for these platforms and design a barrel which will support it effectively. It is our goal to get you the performance that you seek out of these barrels whether you are running suppressed defense ammo sub-sonic ammo or supersonic ammo (depending on barrel length). Twist rates and lengths have all been taken into account when we set out to make these barrels. Specifications for Rosco Manufacturing Bloodline 9mm Barrel: Manufacturer: Rosco Manufacturing Color: Black Finish: Nitride Fabric/Material: 4150 CMV Material Cartridge: 9mm Luger Barrel Profile: M4 Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Barrel Material: 4150 Chrome Moly Vanadium Flutes: No Gun Make: AR Platform Gun Model: M4 Condition: New Gas Block Journal Size-Length: 1.2 in Caliber: .355 Caliber Gas System: Blowback Features of Rosco Manufacturing Bloodline 9mm Barrel Barrel Crown 11 Degree Package Contents: Rosco Manufacturing Bloodline 9mm Barrel Rosco Manufacturing BL-145-M4-9mm-10: Bloodline 9mm Barrel M4 14.5in 1-10 Twist 1/2x28 Thread Nitride Black