The Cooper Model 57-M is a premium rimfire bolt rifle designed for hunters, target shooters, and small-game hunters who want the same quality and accuracy guarantee that Cooper applies to their centerfire rifles. The .22 LR 22-inch configuration uses a match chamber, match barrel, and the compact Cooper rimfire action to produce sub-half-inch groups at 50 yards with match-grade ammunition. Type: Rifle Action: Bolt-Action Caliber: .22 LR Capacity: 5 Year introduced: 1994, USA Weight: 48 oz Overall length: 40" Status: Active Intended use: Hunting