Description
CALIBER: 5.56
NATO BARREL LENGTH: 16″
TWIST RATE: 1:8
PROFILE/CONTOUR: M4
MATERIAL: 4150 CHROME MOLY VANADIUM
FINISH: PARKERIZED
GAS SYS: CARBINE
DIAMETER AT GAS PORT: .750″MUZZLE
THREAD: ½-28
TREATMENT: NON-RF85
ADDITIONAL NOTES: Barrel is compatible with BOTH 5.56 AND .223 Ammunition.