The Ruger 77/22 .22 WMR is a usa-made bolt-action rifle chambered in .22 WMR, introduced in 1990. Primary use: hunting, sport. Type: Rifle Action: Bolt-Action Caliber: .22 WMR Capacity: 5 Year introduced: 1990, USA Weight: 56 oz Overall length: 37.25" Status: Discontinued Intended use: hunting, sport