Cooper Arms Model 52 Western Classic in 338 Winchester Magnum. Cooper offers the 338 Win Mag in both the Model 52 and Model 56 magnum actions. The Model 52 version is slightly more compact, and in Western Classic finish represents perhaps the most dramatic pairing of powerful cartridge and elaborate aesthetics in the Cooper line. For hunters who demand the finest and the most powerful. Type: Rifle Action: Bolt-Action Caliber: 338 Winchester Magnum Capacity: 1 Year introduced: 1994, USA Weight: 70 oz Overall length: 45" Status: Active Intended use: hunting, dangerous game