Ruger GP100 designed with Wiley Clapp: 3-inch barrel, night sights, Altamont laminate grips, tuned for carry. Type: Revolver Action: Double-Action Revolver Caliber: .357 Magnum Capacity: 6 Year introduced: 2013, USA Weight: 36 oz Overall length: 8.5" Status: Active Intended use: Concealed Carry / Duty