This is a FN America Pistol: Semi-Auto known as the FN 509 chambered in 9MM, model # 66-100490, UPC 845737010225
Model Series: FN 509
Gun Type: Pistol: Semi-Auto
Caliber: 9MM
Action: Double Action
Capacity: 10+1
Finish: Flat Dark Earth
Stock: FDE Polymer with Mil-STD 1913 Accessory Rail
Sights: FT: 1-Dot Luminescent RR: 2-Dot Luminescent
Barrel Length: 4
Overall Length: 7. 4
Features: Striker Fired/ Interchangeable Backstraps