STI Trubor in 40 S&W. The major power factor variant of the Trubor, purpose-built for USPSA Open division competitors who need to make major PF with 40 S&W. The compensator on the 40 S&W Trubor is tuned for the higher gas volume of the 40 cartridge compared to the 9mm version. Type: Pistol Action: Semi-Automatic Caliber: 40 S&W Capacity: 14 Year introduced: 2000, USA Weight: 42 oz Overall length: 9.5" Status: Discontinued Intended use: USPSA Open, IPSC Open, Competition