The FN 509 Full-Size MRD is a duty-style, full-size striker-fired pistol chambered in 9mm and configured for direct optics mounting. It pairs a polymer frame with a cold hammer-forged steel barrel and a low-profile optics mounting system for use in duty, home, and range applications. The pistol ships with two magazines and MRD mounting plates for common red-dot footprints.
Key Specifications
- Chambered in 9mm.
- Magazine capacity of 17 rounds.
- Action is Semi-automatic striker-fired.
- Optic footprint is Multiple via FN low-profile optics mounting system.
- Frame material is polymer.
- Barrel material is steel (cold hammer-forged).
- Finish style is Black PVD / matte black.
- Ships with two 17-round magazines and an FN soft case.
- Includes MRD mounting plates for common red-dot footprints.
- Series: MRD (Full-Size).
The FN 509 Full-Size MRD combines a full-size platform and optics-ready capability for users who prioritize sight options and consistent ergonomics. Its hammer-forged barrel and polymer frame provide a practical balance of durability and handling for range sessions, duty applications, or household protection scenarios where a full-size pistol is preferred.
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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