The Winchester Model 290 is a semi-automatic .22 LR with a 20.5-inch barrel and tubular magazine, part of the economy-priced Winchester line of the 1960s and 70s. Type: Rifle Action: Semi-Auto Caliber: .22 LR Capacity: 15 Year introduced: 1963, USA Weight: 5 oz Overall length: 39" Status: Discontinued Intended use: Plinking