The HK USP Expert is the competition-grade USP variant featuring a 5.2-inch barrel, adjustable target trigger, adjustable sights, competition weight, and a match trigger group. The Expert was HK's direct factory response to competition shooters who were building custom USP pistols. The Expert trigger group allows adjustment of pre-travel, over-travel, and reset for precision competition use. Type: Pistol Action: DA/SA Caliber: .45 ACP Capacity: 12 Year introduced: 1999, Germany Weight: 35 oz Overall length: 9" Status: Active Intended use: competition