FN 509M MRD Midsize 9mm 4″ FDE 15+1
About this product
The FN 509M MRD is a midsize handgun configured for everyday carry and duty applications where a compact profile and optics readiness are priorities. It uses the FN Low Profile Optics Mounting System to allow direct mounting of compatible miniature red dot optics. The pistol features a 4-inch cold hammer-forged barrel and a Flat Dark Earth polymer frame with interchangeable backstraps for a customizable grip. Two 15-round magazines and a soft case are included for immediate use and secure storage.
Key Specifications
- The pistol is chambered in 9mm.
- The barrel measures 4 inches.
- Standard magazine capacity is 15+1 rounds and the package includes two 15-round magazines.
- The unloaded weight is approximately 26.5 oz.
- The overall length is 7.4 inches.
- The frame finish and color is Flat Dark Earth on a polymer frame.
- The barrel is cold hammer-forged stainless steel with a recessed target crown.
- Equipped with the FN Low Profile Optics Mounting System for direct-mount optic compatibility.
- Features fully ambidextrous controls for user flexibility.
- Ships with two magazines, an FN soft case, a locking device, and an owner’s manual.
Purpose-built for users who want a reliable, compact platform that accepts modern red-dot optics, the FN 509M MRD balances concealability and functional capacity. Its durable materials, optics-ready slide, and interchangeable ergonomics make it suitable for everyday carry, range use, and practical shooting where a dependable, compact pistol is required.
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