Cooper Arms Model 56 Western Classic in 338 Winchester Magnum. The most powerful Cooper in the most elaborate finish — case-color metalwork, AAA Claro walnut, and the 338 Win Mag's authority in a sub-half-MOA magnum action. Cooper produces very few 338 Win Mag Western Classics annually. For the hunter who demands the finest and the most powerful simultaneously. Type: Rifle Action: Bolt-Action Caliber: 338 Winchester Magnum Capacity: 1 Year introduced: 1994, USA Weight: 71 oz Overall length: 45.5" Status: Active Intended use: hunting, dangerous game