The STI Tactical .45 ACP brings the 2011 double-stack platform to the classic .45 ACP chambering. Rail-equipped frame, duty-grade controls, and SA trigger serve both competition and serious defensive use. Type: Semi-Auto Pistol Action: SA Caliber: .45 ACP Capacity: 14 Year introduced: 2004, USA Weight: 38 oz Overall length: 8.65" Status: Discontinued Intended use: Competition, Defense, Law Enforcement