The FN 509 Midsize MRD offers the ultimate in customization and performance for concealed carry enthusiasts. Featuring a 4-inch barrel and the innovative FN Low Profile Optics Mounting System, this midsize 9mm handgun allows for effortless direct mounting of over 10 miniature red dot optics, letting you tailor it to your needs. Enhanced with a sleek, black polymer frame and improved texturing on interchangeable backstraps, it ensures superior grip and recoil management. The advanced trigger design guarantees a cleaner, more effective shooting experience. With its 10-round magazine capacity, non-manual safety, and a convenient FN soft case, the FN 509 Midsize MRD is ready for any scenario.
- Barrel Length: 4″
- Caliber: 9MM
- Capacity: 10Rd
- Finish: Black
- Frame: Polymer
- Accessories: 2 Mags
- Action: Semi-automatic
- MPN: 66-100588
- Safety: Non-Manual Safety
- Sight: 3 Dot
- Size: Mid-Size
- Type: Striker Fired
- Sub Category: Pistols – Polymer Frame
