The Marlin Model 60 is the world's most produced rimfire rifle, with over 11 million units manufactured. Tube-fed semi-auto with a 19-inch Micro-Groove barrel and classic American walnut stock. Type: Rifle Action: Semi-Automatic Caliber: .22 LR Capacity: 14 Year introduced: 1960, USA Weight: 5.5 oz Overall length: 37.5" Status: Active Intended use: Plinking,Small Game,Training