FN 509 Fullsize MRD 9mm 4.5-inch PVD Black

Description

The FN 509 Fullsize MRD is a full-size, optics-ready 9mm handgun designed for duty-style use and home defense. It features a 4.50-inch cold hammer-forged barrel with FN’s recessed target crown to protect the rifling and sustain accuracy. The pistol ships with MRD mounting plates and an accessory kit that supports common red dot optics. A durable PVD finish and textured polymer frame provide a practical balance of corrosion resistance and secure handling.

Key Specifications

• The caliber is 9mm.
• The barrel measures 4.50 inches.
• The size is Full size.
• The frame finish is Black.
• The finish is PVD.
• The grip material is Black polymer.
• The slide is Optic cut with serrations.
• The sights are Adjustable sights.
• Ships with two magazines.
• The weight is listed as 27 oz.

The FN 509 Fullsize MRD pairs a robust cold hammer-forged barrel and optic-ready slide with a host of practical features aimed at serious shooters who value durability and modularity. Its recessed crown and polished feed ramp support consistent performance, while the MRD mounting system and included plates simplify optic installation. This configuration is well-suited to duty-style carry, home defense, or any application where a full-size, optics-capable 9mm pistol is preferred.

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