The FN 509 Compact MRD is an optics-ready compact pistol chambered in 9mm Luger with a 3.7-inch barrel. It features FN’s Low-Profile Optics Mounting System for miniature red dot sights and interchangeable backstraps to tailor grip sizing. The package includes two magazines and a soft pistol case for transport and storage.
Key Specifications
- The caliber is 9mm Luger.
- The barrel measures 3.7 inches.
- The model is 509C (Compact MRD series).
- The frame material is polymer.
- The slide is optic-ready black steel with serrations.
- The pistol includes two magazines (one 12‑round and one 15‑round).
- The optic mounting system is the FN Low-Profile Optics Mounting System.
- The overall length is 6.80 inches.
- The number of magazines included is 2.
- The safety configuration is no manual safety with ambidextrous controls.
Built with a cold hammer-forged, recessed-crown barrel and blackout co-witness iron sights, the 509 Compact MRD brings modularity and real-world practicality to a compact footprint. Its optic-ready slide accepts a range of miniature red dot optics, and the interchangeable backstraps and enhanced grip texture support controllable operation in varied conditions. Compatibility with higher-capacity FN 509 magazines and the included accessories make this configuration a versatile option for users seeking a compact, optics-capable pistol platform.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
