The 8.375" Model 500 is the standard configuration of the world's most powerful production revolver. Introduced in 2003, the .500 S&W Magnum cartridge generates up to 2,600 ft-lbs of muzzle energy — capable of taking any game animal on Earth. 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: Big Game Hunting / Collection