Ritoru Biggu Juu (小さい大きなぐん lit: Little Big Gun) is a specialized firearm commonly found and used in the Carcus Kingdom's 500 year Civil War. It is known to be one of the more dangerous firearms as it has a retractable barrel, thus it can go from being a sniper rifle to a short range pistol is only a few seconds, designed by Thorn Dike, Jones Zapata recieved his and it remains to be the first one ever made.