The FN 509 MRD is a compact 9mm pistol designed for dependable everyday carry and personal defense. Its 3.8-inch barrel and polymer frame provide a practical balance of concealability and shootability, while the internal hammer-fired system delivers a crisp, light trigger pull. Effortless slide-racking geometry and easy-loading magazines improve handling, and the integrated trigger safety and additional internal safeties support secure operation. The slide is factory cut for red dot optics using Leupold DeltaPoint Pro or Shield RMS footprints, allowing users to select a compatible optic for faster target acquisition.

Key features

• Optic-ready slide compatible with Leupold DeltaPoint Pro and Shield RMS footprints
• Compact 3.8-inch barrel suited to concealed carry and personal defense
• Internal hammer-fired operation with a crisp, light trigger
• Reduced slide-racking effort for easier manipulation
• Easy-loading magazines with one 16-round and one 20-round magazine included
• Integrated trigger safety and internal safety system

The FN 509 MRD combines compact dimensions, practical capacity, and red dot compatibility in a capable everyday-defense pistol.