The STI International Edge is a usa-made single-action pistol chambered in 9mm Luger, introduced in 1994. Primary use: Competition, Range/Target. Type: Pistol Action: Single-Action Caliber: 9mm Luger Capacity: 20 Year introduced: 1994, USA Weight: 42 oz Overall length: 8.65" Status: Discontinued Intended use: Competition, Range/Target