10.5" 300 blackout AR barrel

Barrel Material: 4150 CMV
Barrel Type: Button Rifled 
Barrel Caliber: 300 BLK
Barrel Twist: 1:8
Barrel Length: 10.5”
Barrel Profile:  GUNNER
Barrel Gas System: Pistol
Inside Finish: Nitride
Outside Finish: Nitride
Muzzle Thread: 5/8x24 
Gas Block Diameter: .750" 
Gas Block Journal Length: 1.9"
Barrel Extension: M4 
Weight:  1.10 lbs
Magnetic Particle Inspected
11-degree Target Crown