The FNX-9 Night Sights variant is the FNX-9 with factory-installed Trijicon tritium night sights, offered as a premium configuration for law enforcement and concealed carry buyers who want a factory-complete package without aftermarket sight installation. Internally identical to the standard FNX-9. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2011, Belgium Weight: 25 oz Overall length: 7.4" Status: Active Intended use: law_enforcement, service, concealed_carry