New Ultralight Arms Model 28 Left-Hand in 300 Winchester Magnum. The ultimate left-hand magnum hunting rifle — Forbes' purpose-built southpaw magnum action in 300 Win Mag at approximately 6 pounds finished weight. For the left-handed hunter who wants uncompromised magnum performance in the lightest possible platform with the correct action orientation, this is the only option available at production scale. Type: Rifle Action: Bolt-Action Caliber: 300 Winchester Magnum Capacity: 1 Year introduced: 1994, USA Weight: 66 oz Overall length: 44.5" Status: Active Intended use: hunting, mountain hunting