Description
The FN 509M MRD Midsize is an optic-ready 9mm Luger pistol designed to balance concealability and full-sized performance. It pairs a 4″ cold hammer-forged barrel with FN’s Low Profile Optics Mounting System to accept multiple miniature red dot footprints. The pistol ships with two magazines and a soft case, and features a polymer frame with an accessory rail for practical day-to-day carry and range use.
Key Specifications
- Caliber: 9mm Luger.
- Barrel length: 4 inches.
- Magazine capacity: 15 rounds.
- Magazines included: Two 15-round magazines.
- Optic mounting: FN Low Profile Optics Mounting System (multiple footprints).
- Barrel description: Cold hammer-forged stainless steel with recessed target crown.
- Frame: Polymer frame with Picatinny rail.
- Weight: 26.5 oz.
- Overall length: 7.4 inches.
- Sights: Black co-witness iron sights.
Purpose-built for everyday carry and practical range use, the FN 509M MRD offers an optics-capable platform with a durable cold hammer-forged barrel and a utility-minded polymer frame. Its midsize footprint, accessory rail, and included magazines make it a straightforward choice for users seeking an optic-ready service-style pistol with FN’s mounting options and range-ready features.
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