The Five-seveN MK2 was the second major production generation of the Five-seveN, introducing an external hammer for the first time (replacing the internal striker of earlier variants), ambidextrous controls as standard, and improved ergonomics. The MK2 replaced both the IOM and USG variants and served as the production standard until the MK3 MRD. Type: Pistol Action: Semi-Automatic Caliber: 5.7x28mm Capacity: 20 Year introduced: 2013, Belgium Weight: 23.2 oz Overall length: 8.2" Status: Discontinued Military use: Yes Intended use: military, law_enforcement, collector, special_operations