This is a FN America Pistol: Semi-Auto known as the FN 509C MRD chambered in 9MM, model # 66-100574, UPC 845737010911
Model Series: FN 509C MRD
Gun Type: Pistol: Semi-Auto
Caliber: 9MM
Action: Double Action
Capacity: 12+1 and 15+1
Finish: Flat Dark Earth
Stock: FDE Polymer with Mil-STD 1913 Accessory Rail
Sights: Black Co-Witness
Barrel Length: 3. 7
Overall Length: 7. 4
Features: FN Optics Mount System/ Interchangeable Backstraps