The fn 509 mrd fos is patterned after the handgun chosen by the lapd.With a blacl pvd finish, factory-milled slide, this limited run includes five magazines.Upgrades include the flat-faced precision trigger; fn low-profile optics-mounting system; front fiber optic sight (fos) co-witnesses with most mrds, for a clear sight picture, day or night; adaptable optics mounting platform allows rapid installation of the most common mrds; smooth, drop-safe trigger has a positive wall before a clean break and a target-crowned, hammer forged barrel.Includes 5 10rd magazines, ballistic case, four mrd mounting plates and two backstraps.Frame Finish: Flat Dark EarthAction: DAOCaliber: 9mm LugerBarrel Length: 4"Capacity: 10+1Grips: Flat Dark Earth Textured Interchangeable BackstrapSight Configuration: Steel Co-Witness/Front Fiber OpticSlide Description: Optic Ready/Serrated