The Model 500 X-frame is the most powerful production revolver in the world, chambering the .500 S&W Magnum which develops over 2,600 ft-lbs of muzzle energy. The 8.375-inch barrel with integral compensator is necessary to manage the extreme recoil. At 72.5 oz unloaded the X-frame weight is a deliberate recoil management tool. Type: Revolver Action: Double-Action Caliber: .500 S&W Magnum Capacity: 5 Year introduced: 2003, USA Weight: 72.5 oz Overall length: 15" Status: Active Intended use: hunting, dangerous_game, sporting, collecting