The FN 509 Tactical is the suppressor-optimized variant of the 509 family, featuring a threaded barrel, tall suppressor-height sights, and a factory optics cut. The low-profile integrated optics mount allows co-witness with suppressor-height iron sights. Designed to compete with the HK VP9 Tactical and Walther Q4 TAC in the premium tactical service pistol segment. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2018, Belgium Weight: 28.6 oz Overall length: 8" Status: Active Military use: Yes Intended use: military, tactical, law_enforcement, competition