Mark V Expedition in 460 Wby Mag. The most powerful commercial bolt-action cartridge in Weatherby's lineup. Full stainless, muzzle brake, ported barrel, designed for stopping large dangerous African game. Type: Rifle Action: Bolt-Action Caliber: 460 Wby Mag Capacity: 2 Year introduced: 2004, USA Weight: 200 oz Overall length: 46.75" Status: Active Intended use: Hunting, Dangerous Game