STI DVC Open in 40 S&W. Major power factor factory Open division pistol from STI's final competition product generation. The 40 S&W DVC Open uses the same compensator design as the 9mm version but with a recoil spring and barrel link angle optimized for 40 S&W major power factor loads. Type: Pistol Action: Semi-Automatic Caliber: 40 S&W Capacity: 14 Year introduced: 2015, USA Weight: 42 oz Overall length: 9.5" Status: Discontinued Intended use: USPSA Open, IPSC Open, Competition