Improve your marker distant and accuracy with this US Army Project Salvo Tactical Rifled Barrel Carbine Kit. The carbine kit is the ultimate realistic upgrade for your marker. It comes with a 12" M4 style rifled barrel with a removable muzzle brake. The muzzle can be removed to install silencer, grenade launcher and other awesome upgrades. The barrel kit also comes with a M4 style front sight and tactical handguard. This is a complete kit that is ready to action. Take your game to the next level with this tactical barrel kit.