The Ruger 77/22 is a full-quality bolt-action rimfire built on a scaled Mauser-style action with a 20-inch barrel and walnut stock. Ruger's answer to those wanting centerfire-grade bolt action in .22 LR. Type: Rifle Action: Bolt-Action Caliber: .22 LR Capacity: 10 Year introduced: 1983, USA Weight: 6 oz Overall length: 39.75" Status: Active Intended use: Hunting,Precision,Small Game