The FN PS90 is the semi-auto civilian carbine version of the FN P90 submachine gun used by NATO and US Secret Service. The 16-inch barrel replaces the original P90's 10.4-inch tube to comply with NFA regulations. The top-mounted 50-round translucent magazine and bullpup layout are distinctly recognizable. Type: Semi-Auto Rifle Action: Blowback Caliber: 5.7x28mm Capacity: 50 Year introduced: 2005, Belgium Weight: 6.3 oz Overall length: 26.3" Status: Active Military use: Yes Intended use: Range, Collection, Law Enforcement