Larger-grip .22 Magnum NAA with 4-inch barrel; the most capable NAA mini-revolver for small-game use. Type: Pistol Action: Single-Action Caliber: .22 WMR Capacity: 5 Year introduced: 1990, USA Weight: 10.7 oz Overall length: 7.75" Status: Active Intended use: Small Game, Backup, Collector