BARREL LENGTH: 16″
CALIBER: .223 Wylde
TWIST RATE: 1:8
PROFILE/CONTOUR: M4
MATERIAL: 4150 Chrome Moly Vanadium
FINISH: Nitride
GAS SYS: Carbine
DIAMETER AT GAS PORT: .750″
MUZZLE THREAD: 1/2-28
TREATMENT: Non RF85
ADDITIONAL SPECS/NOTES: Barrel is compatible with .223 Ammunition.