Firearms

FN America FN 503 9mm 3.1-inch

Schematic

Open full size ↗

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 entry-level slim 9mm competing directly against Shield and P365.

Type: Pistol

Action: Semi-Automatic

Caliber: 9mm

Capacity: 6

Year introduced: 2020, USA

Weight: 20.8 oz

Overall length: 6.2"

Status: Active

Intended use: CCW