The Marlin Model 25MN is a bolt-action .22 WMR with a walnut-finished hardwood stock and Micro-Groove rifled barrel. Affordable entry into magnum rimfire bolt guns. Type: Bolt-Action Rifle Action: Bolt-Action Caliber: .22 WMR Capacity: 7 Year introduced: 1989, USA Weight: 5.5 oz Overall length: 41" Status: Discontinued Intended use: Small Game, Varmint, Plinking