The GP100 in 10mm Auto is chambered for the potent 10mm pistol cartridge in a revolver format using full-moon clips. The 5-inch barrel extracts maximum velocity from the 10mm, approaching .41 Magnum performance. Offers the reliability and simplicity of a revolver with a cartridge that bridges the gap between .357 Magnum and .44 Magnum. Type: Revolver Action: Double-Action Caliber: 10 Capacity: 6 Year introduced: 2017, USA Weight: 43 oz Overall length: 10.5" Status: Active Intended use: hunting, duty, competition