New Ultralight Arms Model 40 in 338 Winchester Magnum. Forbes' largest production action in the caliber most demanded by Alaskan hunting guides. The Model 40 in 338 Win Mag weighs approximately 6 pounds finished — lighter than many hunting rifles in 270 Win — while delivering the stopping power of the 338 Win Mag. The definitive ultralight dangerous-game hunting rifle from America's most innovative small-bore rifle maker. Type: Rifle Action: Bolt-Action Caliber: 338 Winchester Magnum Capacity: 1 Year introduced: 1998, USA Weight: 68 oz Overall length: 45" Status: Active Intended use: hunting, dangerous game, mountain hunting