FN America / FN Herstal 509M MRD 9mm

The FN 509M MRD is a midsize, optic-ready 9mm pistol designed for everyday carry, range use, and practical defensive applications. It pairs a 4-inch barrel and a compact midsize frame to deliver controllable handling and consistent 9mm performance.

The pistol is built on a matte black polymer frame with a serrated, optic-ready stainless steel slide. Ergonomic improvements include interchangeable backstraps and enhanced grip texturing, and the package includes two magazines and an FN low-profile optics mounting system for mini red-dot sights.

Key Specifications

• The caliber is 9mm.
• The action is semi-automatic.
• The firing system is striker-fired.
• The barrel length is 4 inches.
• The standard magazine capacity is 15 rounds.
• The pistol ships with two magazines.
• The frame material is polymer.
• The overall length is 7.40 inches.
• The weight is 26.5 ounces.
• The optic footprint supports multiple mini red-dot footprints and includes the FN Low Profile Optics Mounting System.

State Restrictions: This firearm is not eligible for direct shipment to California, Rhode Island, and Washington, and it is not for sale in Oregon.

For reliable 9mm performance in a compact midsize package, consider the FN America / FN Herstal 509M MRD 9mm for sale online today.

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