First automatic pocket pistol Colt produced. Essentially identical to 1902 Sporting Model, with a shorter slide. Barrel length 4.5". Chambered for .38 ACP cartridge. Blued, with case colored hammer. Checkered hard rubber grips have "Rampant Colt" molded into them. Detachable magazine holds 7 rounds. Approximately 26,000 manufactured between 1903 - 1929.