The Winchester Model 70 Super Grade in .300 Winchester Magnum with a 26-inch barrel and Grade IV walnut stock. A premium big-game rifle for elk, moose, and brown bear. Type: Bolt-Action Rifle Action: Bolt-Action Caliber: .300 Win Mag Capacity: 4 Year introduced: 1946, USA Weight: 8.2 oz Overall length: 46.75" Status: Active Intended use: Hunting, Long Range