FN 509 9mm Full Size MRD

$729.00

The FN 509 MRD is a full-size, optics-ready 9mm pistol designed for duty, range use, and home defense. It features a low-profile optics mounting system and a hammer‑forged stainless steel barrel for consistent performance.

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SKU: CSSI|RJ66100718 Category:
Description

The FN 509 MRD is a full-size 9mm pistol built for duty-style use, range training, and home defense scenarios where a full-frame platform is preferred. It is configured to accept miniature red dot sights via a low-profile optics mounting system and is packaged with multiple mounting plates for common footprints.

The pistol uses a polymer frame with enhanced grip texture and interchangeable backstraps for tailored ergonomics. The slide and barrel are finished in black and the barrel is described in the source material as a hammer-forged stainless design with a recessed target crown to protect the rifling.

Key Specifications

  • The caliber is 9mm.
  • The action is Semi-Auto.
  • The weight is 26.9 oz.
  • The frame material is Polymer.
  • The frame finish is Matte Black PVD.
  • The optic footprint is Multiple and the pistol features a low-profile optics mounting system for MRD sights.
  • The model is 509.
  • The size is Full Size.
  • The pistol ships with 2 magazines.
  • The included case is a FN Soft Case.

State Restrictions: This firearm is not available for direct shipment to California.

The FN America / FN Herstal 509 9mm MRD combines a full-size platform with optics-ready capability and robust construction. Buy the FN America / FN Herstal 509 9mm online today for a reliable full-size 9mm option that supports optics integration and modular ergonomics.

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Additional information
UPC845737011802
ManufacturerFN America / FN Herstal
Manufacturer Part Number66-100718
Shipping Weight3.4
ActionDouble Action Only
ATF TypePistol
Barrel Length4.50″
Caliber/Gauge9mm
Capacity10 + 1
Length11.5
Model509
Number of Magazines2 10 rd.
Package Height2.5
Package Width8.3
Product TypeStriker Fired
SafetyNo Manual
SightsAdjustable Sights
Sights TypeFixed Sights
Slide DescriptionOptic Cut/Serrated
State Restriction (CA)NO DIRECT SHIP TO CALIFORNIA
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