Marlin Model 39A in .22 LR with 24-inch barrel. The oldest continuously produced shoulder firearm in the world; a takedown lever-action .22 that has been in production since the 1890s. Type: Rifle Action: Lever-Action Caliber: .22 LR Capacity: 19 Year introduced: 1939, USA Weight: 48 oz Overall length: 40" Status: Active Intended use: Plinking, Small Game, Collector