FN America 509 Midsize MRD 9mm 4" 10rds Pistol, Black - 66-101931

FN 509M MRD Features The slide is optic-ready and serrated finished in matte black for durability and stealth. The Holosun HS 407C red dot enhances fast target acquisition and low-light visibility while the suppressor-height co-witness iron sights offer immediate backup aiming. The 4-inch barrel includes a recessed target crown to preserve accuracy and protect the muzzle. The polymer frame includes an integrated Picatinny rail for tactical accessories and interchangeable backstraps for ergonomic customization. With a flat-face trigger offering a smooth consistent pull and ambidextrous controls the FN 509M is built for adaptability. It ships with two 10-round magazines making it compliant with magazine capacity limits while maintaining full-sized capability. FN 509M MRD Specifications Manufacturer: FN Model: 509M Series: MRD w/ Optic Caliber: 9mm Luger Action: DAO (Double Action Only) Type: Semi-Auto Pistol Frame Size: Mid-Size Frame Finish: Matte Black Frame Material: Polymer Frame Description: Polymer Frame w/ Picatinny Rail Slide Finish: Matte Black Slide Description: Optic Ready / Serrated Slide Material: Steel Optic: Holosun HS 407C Red Dot Sights: Co-Witness Iron Sight Style: Contrast Sight Configuration: Suppressor Height Co-Witness Barrel Length: 4 Barrel Material: Steel Barrel Finish: Black Barrel Description: Recessed Crown Twist Rate: 1:10 RH Capacity: 10 + 1 Max Capacity: 10 Includes: 2 Magazines Grips: Interchangeable Backstrap Trigger: Flat Face Safety Features: No Manual Safety Overall Length: 7.40 Height: 5.20 Width: 1.35 Weight: 26.50 oz Hand: Ambidextrous