FN 509M MRD NMS 9mm 4-Inch Black Pistol, Two 15-Round Mags

The FN 509M MRD NMS is a mid-size semi-automatic pistol chambered in 9mm. It features a 4-inch cold hammer-forged barrel, an optic-ready serrated slide, a black polymer frame, and an integrated Picatinny accessory rail. The package includes two 15-round magazines, interchangeable backstraps, an optics mounting system, a soft case, and a locking device.

Designed for practical carry, training, and general range use, the 509M MRD NMS combines a compact format with features suited to users who prefer an optics-ready platform and ambidextrous controls.

Key Specifications

• The chambering is 9mm for compatibility with 9mm ammunition.
• The barrel measures 4 inches and uses a cold hammer-forged construction.
• The pistol has a mid-size polymer frame with interchangeable backstraps.
• The slide is optic ready and serrated for compatible mounting and slide manipulation.
• The finish is black across the frame and major external components.
• The pistol includes an integrated MIL-STD-1913 Picatinny rail for compatible accessories.
• The sights are co-witness iron sights.
• The listed overall length is 7.40 inches.
• The listed weight is 26.5 ounces.
• The package includes two 15-round magazines, an optics mounting system, two backstraps, a soft case, and a locking device.

With its mid-size proportions, optics-ready slide, interchangeable backstraps, and ambidextrous control layout, the FN 509M MRD NMS offers a well-equipped platform for range sessions, training, and everyday carry considerations. Its included accessories provide a practical starting configuration without adding unnecessary complexity.

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