FN America / FN Herstal

The FN 509 MRD is a mid-size, striker-fired 9mm handgun built for range use and duty-style carry. It ships with a factory-mounted Holosun 407C red dot and two 17-round magazines for extended capacity.

The FN 509 Midsize is a compact 9mm pistol designed for everyday carry and range use, combining a midsize frame with a 4-inch barrel. It features a polymer frame, ambidextrous controls, fixed 3-dot luminescent sights, and ships with two 10-round maga

The FN 509 is a full-size, striker-fired 9mm pistol designed for duty, range use, and personal protection. It features a 4 inch cold hammer-forged barrel, a 17-round capacity, and interchangeable backstraps for customizable ergonomics.