FN 503

FN 503
TypeSemi-automatic pistol
Place of originUnited States
Production history
Designedc. 2019
ManufacturerFN America
Unit cost$549 (MSRP)
Produced2020–2023
Specifications
Mass21 oz (600 g)
Length5.9 in (150 mm)
Barrel length3.1 in (79 mm)
Width1.1 in (28 mm)
Height4.6 in (120 mm)

Cartridge9×19mm Parabellum
ActionStriker-fired
Rate of fireSemi-automatic
Feed systemBox magazine
SightsFixed 3-dot iron sights
References[1]

The FN 503 is a polymer frame striker-fired subcompact semi-automatic pistol manufactured in Columbia, South Carolina, by FN America, a division of FN Herstal. Introduced in March 2020, it is chambered in 9×19mm Parabellum and is intended for concealed carry.[2]


As of August 2023, the FN 503 was discontinued.[3]

  1. ^ "FN 503". fnamerica.com. Retrieved March 17, 2020.
  2. ^ "First Look: FN 503 Slim-Profile 9mm Pistol". shootingillustrated.com. March 17, 2020. Retrieved March 17, 2020.
  3. ^ "Discontinued Products". FN®. Retrieved 2023-09-05.