Cooper Arms Model 57 Western Classic in 22 WMR. The full Western Classic treatment applied to Cooper's 22 WMR rimfire is one of the rarest and most exotic production rifles in the Cooper catalog. AAA Claro walnut, case-color receiver, ebony forend tip, and the 22 WMR's practical small-game utility in the same platform. A collector's rimfire in an unusual cartridge with no direct competition. Type: Rifle Action: Bolt-Action Caliber: 22 Winchester Magnum Rimfire Capacity: 1 Year introduced: 1999, USA Weight: 57 oz Overall length: 41" Status: Active Intended use: small game hunting, varmint hunting, collecting