Extended-capacity .22 LR Thunder with an 11-round magazine and a slightly longer grip frame than the standard Thunder .22. All other specifications are identical to the base Thunder .22 LR. Type: Pistol Action: Semi-Automatic Caliber: .22 LR Capacity: 11 Year introduced: 2001, Argentina Weight: 20.2 oz Overall length: 6.6" Status: Active Intended use: training, plinking, sport