Hammerhead by Tippmann 3 "fin" barrel kit for A5 and X7 paintball guns. Includes the 3 "fins" in 0.683, 0.686, and 0.689 inch diameters. With muzzle brake attachment. Total threaded barrel length would be 15" as attached to the gun. Includes the carrying case, paintball sizing gauge, and thread grease. Also including a camo barrel sleeve by SpecOps.