FN America / FN Herstal FN 509 9mm

The FN 509 Compact MRD Compensated is a compact, optics-ready 9mm pistol designed for concealed carry, everyday range use, and duty applications where a reduced muzzle rise and fast follow-up shots are desired. It pairs a low-profile optics mounting system with a quick-detach compensator to help manage recoil and sight acquisition.

The pistol features a polymer frame finished in Flat Dark Earth PVD with an enhanced grip texture and interchangeable backstraps for improved ergonomics. The slide accepts multiple optic footprints and includes all-black co-witness iron sights; the compensated barrel and FN proprietary compensator work together to reduce muzzle flip.

Key Specifications

• The caliber is 9mm.
• The action is Semi-Auto.
• The barrel type is Compensated.
• The barrel length is 4.02 inches.
• The weight is 25.5 oz.
• The frame material is polymer.
• The frame finish is Flat Dark Earth PVD.
• The optic footprint is multiple, supporting FN's low-profile optics mounting system.
• The firearm includes two magazines.
• The sights are all-black co-witness iron sights and the slide is optics-ready.

State Restrictions: This firearm is not available for direct shipment to California, Rhode Island, and Washington.

For an optics-ready compact 9mm that balances concealability with reduced muzzle rise, choose the FN America / FN Herstal FN 509 9mm. Buy the FN America / FN Herstal FN 509 9mm online today for a reliable, optics-ready compact pistol option.

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