The Ruger Super GP100 9mm is an 8-shot revolver chambered in 9mm using moon clips. Designed for USPSA Revolver division competition, it offers one extra round versus .357 Magnum revolvers with the cost advantage of 9mm ammunition. Type: Revolver Action: DA/SA Caliber: 9mm Capacity: 8 Year introduced: 2017, USA Weight: 50 oz Overall length: 11" Status: Active Intended use: Competition, USPSA, Target