Gun That Shoots Guns That Shoot Guns

This weapon, while less effective than a normal gun, is perfect for cruelly raising your enemy's hopes. Think about it, your enemy fires a gun at you. You think that they have foolishly armed you. But when you shoot them, you arm them. OWNED!
http://uncyclopedia.wikia.com/wiki/List_of_weapons_that_shoot_other_weapons_that_don%27t_exist,_but_should