FN PS90 bullpup carbine in 5.7x28mm. Civilian version of the P90 submachine gun. 50-round horizontal magazine. Type: Rifle Action: Semi-Auto Caliber: 5.7x28mm Capacity: 50 Year introduced: 1993, Belgium Weight: 6.3 oz Overall length: 26.1" Status: Active Military use: Yes Intended use: home defense, collection