FN 503

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.

History

Introduced in March 2020, the FN 503 is chambered in 9×19mm Parabellum and is intended for concealed carry.^[2]

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

The FN 503 is a striker-fired handgun with a stainless steel slide with the "design, performance and reliability standards" of the FN 509.^[4]

Subcompact in size, its overall length is 5.9 inches (150 mm) with a barrel length of 3.1 inches (79 mm) and a width of 1.1 inches (28 mm).

The three-dot iron sights are low-profile, while trigger pull averages 5 pounds-force (22 N).^[5]

Magazines are either 6-round with a pinky extension or 8-round with a grip sleeve.^[4]

^ "FN 503". fnamerica.com. Retrieved March 17, 2020.
^ "First Look: FN 503 Slim-Profile 9mm Pistol". shootingillustrated.com. March 17, 2020. Retrieved March 17, 2020.
^ "Discontinued Products". FN®. Retrieved 2023-09-05.
^ ^a ^b "FN Introduces FN 503 Slim 9mm Pistol for Concealed Carry". fnamerica.com (Press release). March 16, 2020. Retrieved March 17, 2020.
^ "New for 2020: FN 503". americanrifleman.org. March 17, 2020. Retrieved March 17, 2020.