The Smith & Wesson LCR .22 WMR is a usa-made double-action only revolver chambered in .22 WMR, introduced in 2012. Primary use: self_defense, sport. Type: Revolver Action: Double-Action Only Caliber: .22 WMR Capacity: 8 Year introduced: 2012, USA Weight: 24 oz Overall length: 9" Status: Active Intended use: self_defense, sport