The American Rimfire Compact in 22 WMR with youth-length LOP and 18-inch barrel. A compact 22 Magnum for smaller-framed shooters who want more energy than 22 LR in a packable format. Type: Rifle Action: Bolt-Action Caliber: .22 WMR Capacity: 9 Year introduced: 2016, USA Weight: 34.5 oz Overall length: 36.5" Status: Active Intended use: Small Game, Varmint