The Marlin Model 39A Carbine is the shorter lever-action variant with a 20-inch barrel, offering the same quality action in a more maneuverable package for woods and field carry. Type: Rifle Action: Lever-Action Caliber: .22 LR Capacity: 21 Year introduced: 1955, USA Weight: 5.5 oz Overall length: 36" Status: Discontinued Intended use: Plinking/Hunting