Pro-series upgrade of the Thunder .40. Features refined trigger geometry, improved grip texture, and enhanced sight package over the standard Thunder .40 Plus. The Pro designation indicates the same upgraded specification as the Thunder 9 Pro applied to the .40 S&W platform. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 13 Year introduced: 2014, Argentina Weight: 27.2 oz Overall length: 7" Status: Active Intended use: service, home_defense