Firearms

FN Herstal FN 509 Midsize MRD

Specifications

About

Notable Variants

Aftermarket Ecosystem

Historically Significant Examples

Serial Number Data

Production data from factory records and collector research. Year ranges are approximate for pre-1968 firearms.

Years	Serial Range	Count	Factory	Country	Confidence

Optics-ready midsize 509 with milled slide cut.

Type: Pistol

Action: Semi-Automatic

Caliber: 9mm Luger

Capacity: 15

Year introduced: 2020, Belgium

Weight: 26.5 oz

Overall length: 7.2"

Status: Active

Intended use: Duty, Self-Defense, Concealed Carry