The FN P90 is a bullpup personal defense weapon used by the US Secret Service Counter Assault Team, Belgian police, and numerous military/LE agencies. The top-mounted 50-round magazine and compact layout are distinctive. The 5.7x28mm round defeats soft body armor. Type: Submachine Gun Action: Gas-Operated Caliber: 5.7x28mm Capacity: 50 Year introduced: 1990, Belgium Weight: 5.7 oz Overall length: 19.9" Status: Active Military use: Yes Intended use: Law Enforcement, Military, VIP Protection