FN 509 Compact MRD 9mm, 3.7 in Cold Hammer-Forged Stainless Barrel, Black, Raised Co-Witness Sights, 15+1
The FN 509 Compact MRD combines a carry-friendly footprint with FN's Low-Profile Optics-Mounting System and co-witness-height iron sights. It features a 3.7 in cold hammer-forged stainless barrel with a recessed crown, ambidextrous controls, and a polymer frame with interchangeable backstraps. This example is in excellent condition with a clean, mirror-bright bore.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Rifling: Excellent Rifling - Sharp lands and grooves.
This FN 509c shows minimal cosmetic wear consistent with light previous handling or use. The bore is bright and clean, indicating proper maintenance and care. Overall, the pistol remains in very good condition and functions as intended. Please note that the optic cut cover plate is not included. Refer to the accompanying pictures for a detailed view of the firearm's condition and features.
What's Included
- FN 509 MRD optics adapter plate and cover plate
- One 15-round double-stack steel magazine
The slide is cut for FN's Low-Profile Optics-Mounting System and features both forward and rear serrations along with an external extractor. Co-witness-height iron sights provide a raised sight picture compatible with mounted optics.
The 3.7 in barrel is cold hammer-forged stainless steel with a recessed crown. This combination offers robust construction and clean rifling for a bright, mirror-like bore.
Controls are fully ambidextrous, including the slide stop and magazine release. The striker-fired system is paired with a curved polymer trigger with integral safety blade for a consistent, straight-back press.
The black polymer frame uses FN-logo textured grip panels and interchangeable backstraps to tailor the fit. A three-slot MIL-STD-1913 accessory rail on the dust cover accommodates compatible lights or accessories.
Capacity is 15+1 rounds of 9mm Luger, and this pistol is made in the USA. The compact size and MRD configuration make it a versatile choice within the 509 series.