Cooper Firearms Model 57 Classic in .22 LR with a 24-inch barrel. Cooper's rimfire rifle, applying the same quality standards used on centerfire models to a small-bore target and training platform. Type: Rifle Action: Bolt-Action Caliber: .22 LR Capacity: 5 Year introduced: 1995, USA Weight: 72 oz Overall length: 42.5" Status: Active Intended use: Target Shooting, Training, Small Game