The Rosco Bloodline 10.5-inch 9mm barrel is made for pistol caliber AR SBR and pistol builds. Rosco sizes its 9mm barrels for modern carbine use, including suppressed shooting and balanced patrol-style setups. It uses an M4 profile and is threaded 1/2x28 for a muzzle device. NFA rules apply when building an SBR.
- Fits: AR-15 pistol caliber builds
- Caliber: 9mm
- Length: 10.5 in.
- Profile: M4
- Thread: 1/2x28
- Material: 4150 CMV steel
- Finish: Nitride
- Manufacturer part number: BL-105-M4-9MM-10
