The Viper Jaws is the standard service pistol of the Jordanian armed forces, built by the Jordanian firm KADDB (King Abdullah Design and Development Bureau). The Viper Jaws was originally designed by the American designer Widely Moore (whom had previously designed the Widely Pistol) and is available in three different calibers: 9x19mm Parabellum, .40 S&W and .45 ACP.