Firearms

FN America FN 509 MRD 4-inch

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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

FN 509 with optic-ready slide accepting full-size red dot optics.

Type: Pistol

Action: Semi-Automatic

Caliber: 9mm

Capacity: 17

Year introduced: 2018, Belgium

Weight: 26.2 oz

Overall length: 7.4"

Status: Active

Intended use: Duty