Full-size punch in a compact package with fn's patented low-pro le optics mounting system and unparalleled modularity of the fn 509 platform, the fn 509 compact.The pistol is 9mm and striker- red with 3.7" barrel and the capability to accept all higher capacity fn 509 magazines.The patented fn low-pro le optics mounting system accepts nearly all commercial miniature red dot optics and features blackout iron sights that co-witness.Frame Finish: BlackAction: DAOCaliber: 9mm LugerBarrel Length: 3.70"Capacity: 10+1Safety: AmbidextrousGrips: Black Interchangeable BackstrapSight Configuration: IronSlide Description: Black Steel