The FN 509M MRD is a midsize, optics-ready handgun designed for everyday carry and duty use. It pairs a four-inch hammer-forged barrel with a midsize polymer frame finished in Flat Dark Earth and an optics mounting system compatible with multiple miniature red dot footprints. The pistol ships with two 10-round magazines and interchangeable backstraps to tailor grip fit.
Key Specifications
- The caliber is 9mm Luger.
- The barrel measures 4 inches and is hammer-forged with a recessed crown.
- The standard capacity is 10+1 rounds.
- The package includes two 10-round magazines.
- The frame material is polymer with a Flat Dark Earth applied finish.
- The slide is optic-ready with multiple optic footprints supported.
- The action type is striker-fired semi-automatic.
- The unloaded weight is approximately 26.5 ounces.
- The sights are configured for co-witness with an optic and fixed iron backup.
- The pistol ships with a soft pistol case and a locking device.
Purpose-built for users who want a compact, controllable platform with integrated optics capability, the FN 509M MRD balances concealability and shootability. Its modular grip options, ambidextrous controls, and optics mounting system make it a practical choice for daily carry, duty carry, and general-range use while maintaining a straightforward, no-nonsense design.
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.
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