Winchester's semi-automatic .22 LR with a tubular magazine inside the buttstock, feeding from the butt rather than the receiver. The buttstock tube magazine gives it a cleaner receiver profile than receiver-mounted tube designs. Type: Rifle Action: Semi-Automatic Caliber: .22 LR Capacity: 14 Year introduced: 1939, USA Weight: 6 oz Overall length: 42" Status: Discontinued Intended use: Plinking, Collecting