STI Trojan in 45 ACP. The more common Trojan variant, built for USPSA Single Stack and IPSC Classic division. The 45 ACP Trojan combines STI's forged steel 1911 frame, match barrel, and refined trigger with the cartridge most associated with single-stack 1911 competition. Standard 8-round magazine capacity. Type: Pistol Action: Semi-Automatic Caliber: 45 ACP Capacity: 8 Year introduced: 1999, USA Weight: 36 oz Overall length: 8.5" Status: Discontinued Intended use: USPSA Single Stack, IPSC Classic, Competition, Target, Defense