A small gun with a relatively short barrel, designed to be held and operated with a single hand.
A handgun that fires a cartridge of this calibre; chiefly a revolver, but rarely an autoloader firing an unusually powerful calibre.
A powerful firearm cartridge, often derived from a shorter, less powerful cartridge calibre that uses the same bullet.
A bottle containing 1.5 liters of fluid, double the volume of a standard wine bottle.