Description
Barrel Material: 4150
Barrel Type: Button Rifled
Barrel Caliber: 5.56 NATO
Barrel Twist: 1:8
Barrel Profile: GUNNER Light Hybrid
Barrel Gas System: Midlength**
Inside Finish: QPQ Nitride
Outside Finish: QPQ Nitride
Muzzle Thread: 1/2-28 TPI (Threads Per Inch)
Gas Block Diameter: .625″
Barrel Extension: M4
Magnetic Particle Inspected!
11-degree Target Crown