The FN P90 PS (Personal Security) is the semi-automatic civilian/law enforcement carbine version of the P90 PDW, classified as a pistol in the US under the NFA framework due to its short barrel and overall length. Chambered in 5.7x28mm and fed from a distinctive 50-round translucent top-mounted magazine. The most visually distinctive FN 5.7mm platform after the Five-seveN handgun. Type: Pistol Action: Semi-Automatic Caliber: 5.7x28mm Capacity: 50 Year introduced: 1994, Belgium Weight: 6 oz Overall length: 19.9" Status: Active Military use: Yes Intended use: law_enforcement, military, collector, special_operations