The HK USP (Universal Self-loading Pistol), designed by the famous German weapon company Heckler & Koch, incorporates many of the features found in typical Colt handguns along with several of their own to make up one of the most popular handguns in history. Its produced in a variety of common calibers such as 9 mm Parabellum, .357, .40, and .45. A reliable platform, the USP was a favorite of special operation teams and police around the globe, which also made it a common yet expensive pistol in the markets of the post-outbreak world.