The STI VIP is a single-stack 1911-format concealed carry pistol from STI featuring a 3.9-inch barrel, aluminum frame for reduced weight, dehorned profile, and tritium night sights. The aluminum frame significantly reduces carry weight compared to steel-frame STI pistols. The VIP is the most carry-oriented model in the STI 1911 lineup. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 10 Year introduced: 2009, USA Weight: 26 oz Overall length: 7.3" Status: Discontinued Intended use: CCW, Duty Backup