FN 509 9mm Pistol

Posted: 07/03/2025

FN 509 9mm Pistol

The FN 509 is a 9mm, striker-fired, polymer-framed pistol featuring a 4-inch cold hammer-forged barrel, 1:10″ twist, and 17+1 round capacity (or 10-round). It is known for its ambidextrous controls, enhanced grip texture, 5.5-7.7 lb trigger pull, and weighing approximately 26.9 oz. It is designed for duty use with a 7.4-inch overall length.

Specifications:

  • Caliber: 9mm
  • Operation: Double-action, striker-fired
  • Capacity: 17+1 or 10+1 rounds
  • Weight: 26.9 oz
  • Barrel Length: 4.0 inches
  • Overall Length: 7.4 inches
  • Height: 5.56 inches
  • Width: 1.35 inches
  • Trigger Pull: 5.5 – 7.7 lb
  • Sights: Fixed 3-dot luminescent sights