<prompt> In which of the following weapons, empty caridge case is ejected after firing -ShotgunRevolverPistolRifle  <response>: The synopsis of forensic medicine toxicology ; Dr k.s narayan reddy ; 28th edition ; pg.no 124 In a pistol when a caridge is fired the empty caridge case is thrown out a new caridge slips into the breech by a spring . 