FN 509 Midsize MRD 9mm

The FN 509 Midsize MRD is a mid-size, striker-fired 9mm pistol designed for everyday carry and range use. Its 4-inch barrel and compact slide/frame balance concealability with control for routine training and defensive-oriented carry.

The pistol pairs a Flat Dark Earth polymer frame with a serrated, optic-ready steel slide and a cold hammer-forged barrel with recessed crown. Ergonomics include enhanced grip texturing and interchangeable backstraps to tailor fit and manage follow-up shots.

Key Specifications

• The caliber is 9mm.
• The action is Semi-Auto.
• The barrel length is 4 inches.
• The weight is 26.5 ounces.
• The frame material is Polymer.
• The finish color is Flat Dark Earth.
• The pistol ships with 2 magazines included.
• The optic footprint supports multiple miniature red dot optics via the FN Low Profile Optics Mounting System.
• The barrel is cold hammer-forged with a recessed crown.
• The controls are ambidextrous.

State restrictions: This firearm is not available for sale or direct shipment to the following states: California, Oregon, Rhode Island, and Washington.

With interchangeable backstraps, improved grip texture, and the FN optics mounting system, the FN 509 Midsize MRD is a practical choice for shooters seeking an optics-ready midsize pistol. Buy the FN America / FN Herstal FN509 Midsize MRD 9mm online today.

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