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FN 509 MRD 9mm 4.50in Holosun 407C 17+1

SKU: RSR|FN66-101925  ·  Condition: New

$939.00

Out of Stock β€” Call for Availability

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Specifications
UPC 845737018320
Manufacturer

FN America / FN Herstal

Manufacturer Part Number

66-101925

Action

Semi-Auto

Barrel Finish

Black

Barrel Length

4"

Caliber/Gauge

9mm

Capacity

17

Model

509 MRD

Number of Magazines

2

Product Type

Striker Fired

Safety

Non-Manual Safety

Sights

Optic Height Sights

Sights Type

FIXED

ATF Type

Pistol

Length

12.1000

Package Height

3.4

Package Width

11.3

Shipping Weight

4.0

State Restriction (CA)

NO SALE TO CALIFORNIA

State Restriction (IL)

NO SALE TO ILLINOIS PICA

State Restriction (RI)

NO DIRECT SHIP TO RHODE ISLAND

State Restriction (WA)

NO DIRECT SHIP TO WASHINGTON

About This Firearm

Full-size FN 509 MRD chambered in 9mm with a 4.50″ cold hammer-forged barrel, optics-ready factory-milled slide, included Holosun 407C red dot, and two 17-round magazines.

The FN 509 MRD is a full-size, optics-ready 9mm pistol built around a cold hammer-forged 4.50″ barrel and a factory-milled slide for MRD footprints. This configuration ships with a Holosun 407C red dot and two 17-round magazines, plus interchangeable backstraps to tailor grip fit. The polymer frame and target-crowned barrel are intended to offer consistent performance for duty, home defense, and range applications.

Key Specifications

  • The model is 509 MRD.
  • The caliber is 9mm.
  • The barrel measures 4.50 inches.
  • The capacity is 17 + 1.
  • This package includes a Holosun 407C red dot.
  • The kit contains 2 magazines.
  • The frame is made of polymer.
  • The barrel material is steel.
  • The unloaded weight is approximately 26.9 ounces.
  • The pistol uses optic-height sights.

With an optics-ready slide, precision crown on the hammer-forged barrel, and an included Holosun 407C, this FN 509 MRD configuration provides a ready-to-use platform for practical duty and defensive roles or sustained range work. The included magazines and grip options let users tailor fit and readiness, making it a straightforward choice for those seeking a dependable, optics-capable 9mm service pistol.

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A valid Massachusetts LTC or FID is required to purchase this firearm. All sales are completed in-store at our Sutton, MA location. Need your LTC? We offer classes.