The HK USP Compact in .40 S&W is the compact duty carry variant in the law enforcement-standard cartridge. The compact USP .40 retains the buffer system and modular trigger of the full-size while offering a shorter 3.58-inch barrel. Widely issued as backup weapons to officers carrying full-size .40 USPs. Type: Pistol Action: DA/SA Caliber: .40 S&W Capacity: 12 Year introduced: 1996, Germany Weight: 26.9 oz Overall length: 6.81" Status: Active Intended use: carry, duty, law_enforcement, concealed_carry, self_defense