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FN 509 Full-Size MRD 9mm FDE 17rd (2 Mags)

SKU: CSSI|RJ66100722  ·  Condition: New

$734.00

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Specifications
UPC 845737011697
Manufacturer

FN America / FN Herstal

Manufacturer Part Number

66-100722

Action

Semi-Auto

ATF Type

Pistol

Barrel Length

4.5"

Caliber/Gauge

9mm

Capacity

17

Length

11.1000

Model

509

Number of Magazines

2

Package Height

2.5

Package Width

8.3

Product Type

Semi-Auto Pistol

Safety

No Manual

Shipping Weight

3.3

Sights

Adjustable Sights

Sights Type

FIXED

Slide Description

Optic Cut/Serrated

State Restriction (CA)

NO DIRECT SHIP 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

FN 509 Full-Size MRD handgun in Flat Dark Earth, chambered in 9mm Luger. Optics-ready with multiple mounting plates and ships with two 17-round magazines and interchangeable backstraps.

The FN 509 MRD Full-Size is an optics-ready, duty-style 9mm pistol designed for dependable service in practical applications such as duty use and home defense. It features FN’s Low-Profile Optics Mounting System and ships with multiple MRD plates for compatibility with a wide range of red-dot sights. The pistol is furnished in Flat Dark Earth with a polymer frame and includes interchangeable backstraps for improved ergonomics.

Key Specifications

  • Chambered in 9mm Luger.
  • Operates as a double-action striker-fired pistol.
  • Magazine capacity is 17 rounds.
  • Ships with two 17-round magazines.
  • Features the FN Low-Profile Optics Mounting System with multiple plate adapters.
  • Frame material is polymer.
  • Frame color is Flat Dark Earth.
  • Slide color is Flat Dark Earth.
  • Includes a cold hammer-forged stainless steel barrel.
  • Includes three interchangeable backstraps for fit adjustment.

Built for shooters who value straightforward, durable equipment, the FN 509 MRD full-size pistol combines a service-oriented platform with modern optics readiness and practical ergonomics. Its polymer frame, optics mounting options, and included magazines and backstraps make it a versatile choice for users seeking a reliable 9mm pistol suited to duty or defensive roles.

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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.