 There are also snubnosed revolvers chambered for semi-auto pistol cartridges such as 9×19mm Parabellum, .40 S&W and .45 ACP, and loaded via moon-clips.The first snubnosed revolvers were the 6 shot, 3" barreled Colt Single Action Army revolvers made without ejector rods, officially called the "Sheriff's Model," and the "Storekeeper's Model", also unofficially known as the "Banker's Special.