Mark V Expedition in 257 Wby Mag. Stainless steel action and barrel, synthetic stock designed for extreme environments. Expedition rifles are built for high-humidity, high-salt, or arctic conditions. Type: Rifle Action: Bolt-Action Caliber: 257 Wby Mag Capacity: 3 Year introduced: 2004, USA Weight: 114 oz Overall length: 46.5" Status: Active Intended use: Hunting, Big Game, Expedition