Weatherby Mark V Dangerous Game in .460 Weatherby Magnum with 24-inch barrel. The most powerful factory rifle round on the market for decades, generating over 8,000 ft-lbf of muzzle energy. Type: Rifle Action: Bolt-Action Caliber: .460 Wby Mag Capacity: 2 Year introduced: 1958, USA/Germany Weight: 10 oz Overall length: 44.75" Status: Active Intended use: Dangerous Game, Safari