The Taurus PT100 is a Brazilian double-actionsemi-automatic large-frame service pistol. The Taurus PT100 is chambered for the .40 Smith and Wesson cartridge which it takes from a 10-round magazine, has a 5-inch barrel and fixed three-dot sights. The Taurus PT100 is a .40 calibre version of the Taurus PT92. Research Taurus PT100