Cooper Arms Model 54 Classic in 308 Winchester. The Model 54 action is an excellent fit for the 308 Winchester, providing a lighter and more compact package than the long Model 52 while maintaining all of Cooper's accuracy standards. In Classic configuration this is a working precision hunting rifle — handsome enough to carry proudly and accurate enough to shoot at any range the terrain allows. Type: Rifle Action: Bolt-Action Caliber: 308 Winchester Capacity: 1 Year introduced: 1995, USA Weight: 60 oz Overall length: 43" Status: Active Intended use: hunting, precision rifle, target shooting