Turn your RAP4 Tornado into a tactical M4 assault rifle with this carbine package. Your marker distant and accuracy will be greatly improved as well. The tactical barrel kit is the ultimate realistic upgrade for your marker. It comes with a 16" M4 style barrel with a removable muzzle brake. The muzzle can be removed to install silencer, grenade launcher and other awesome upgrades. This kit also comes with a M4 style front sight, tactical hand guard, and a butt stock. This is a complete kit that is ready for action. Take your game to the next level with this tactical barrel kit.