FN 509M MRD Midsize 9mm 15+1 4-inch Optic-Ready

$694.00

The FN 509M MRD is a midsize 9mm pistol with a 4-inch cold hammer-forged stainless barrel, standard 15+1 capacity, FN Low Profile Optics Mounting System, two magazines, interchangeable backstraps, Picatinny rail and ambidextrous controls.

SKU: TSW|114985 Category:

The FN 509M MRD is a midsize, optic-ready 9mm pistol built for everyday carry and practical field use. It pairs a 4-inch cold hammer-forged stainless barrel with a midsize polymer frame and a MIL-STD-1913 accessory rail. The pistol ships with FN’s Low Profile Optics Mounting System and two magazines, giving a ready-to-configure platform for modern carry and duty applications.

Key Specifications

  • Caliber: 9mm.
  • Capacity: 15+1 standard configuration.
  • Barrel Length: 4 inches with a recessed crown.
  • Barrel Description: Cold hammer-forged stainless steel.
  • Frame Material: Polymer with Picatinny rail.
  • Weight: 26.5 oz.
  • Overall Length: 7.4 inches.
  • Sights: Black co-witness iron sights.
  • Includes: Two magazines and FN Optics Mounting System.
  • Rate of Twist: 1:10 RH.

Thoughtfully configured for users who prioritize reliable everyday carry performance, the FN 509M MRD combines a hardened, cold hammer-forged barrel and optics-ready slide with an ergonomic midsize frame. Interchangeable backstraps, improved grip texturing and aggressive slide serrations make manipulation straightforward in daily-use scenarios, while the included optic mounting system and magazines provide immediate flexibility for setup. The 509M MRD is a balanced option for shooters seeking a compact platform that supports modern sighting solutions without sacrificing capacity or utility.

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UPC

845737010737

Manufacturer

FN America / FN Herstal

Manufacturer Part Number

66100587

Action

Double Action Only

ATF Type

Pistol

Barrel Length

4"

Caliber/Gauge

9mm

Capacity

15 + 1

Color

Black

Length

11.5

Number of Magazines

2

Package Height

2.5

Package Width

8.2

Product Type

Semi-Auto Pistol

Safety

No

Shipping Weight

3.15

Sights

Black Co-Witness Iron Sights

Sights Type

Co-Witness Iron

Slide Description

Optic Ready/Serrated

Units per Box

1

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