The Model 360 Airlite J-Frame .357 Magnum has an exposed hammer, allowing single-action firing for more deliberate shots. The scandium alloy frame keeps weight to approximately 12 ounces, making it the lightest exposed-hammer .357 Magnum revolver. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 5 Year introduced: 2001, USA Weight: 12 oz Overall length: 6.25" Status: Active Intended use: Carry, Concealed Carry