The Winchester Model 63 .22 LR is a usa-made semi-automatic rifle chambered in .22 LR, introduced in 1933. Primary use: self_defense, sport. Type: Rifle Action: Semi-Automatic Caliber: .22 LR Capacity: 10 Year introduced: 1933, USA Weight: 112 oz Overall length: 44" Status: Discontinued Intended use: self_defense, sport