The FN 509 Midsize Tactical is a 9mm striker-fired handgun configured for optics and suppressor use with a 4.5-inch threaded steel barrel. It pairs a Flat Dark Earth polymer frame and an optic-cut/serrated steel slide with suppressor-height 3-dot night sights. The pistol is designed for multi-role use, offering a balance of shootability and concealability, and ships with two magazines.
Key Specifications
- The firearm is chambered in 9mm.
- The action is Semi-Auto.
- The barrel measures 4.5 inches and is described as threaded.
- The thread pattern is 1/2″-28.
- The reported magazine capacity is 10 rounds.
- The pistol ships with 2 magazines.
- The frame material is polymer finished in Flat Dark Earth.
- The barrel material is steel with a black barrel finish noted.
- The listed weight is 26.5 oz.
- The sights are Suppressor-Height 3-Dot night sights.
Well-suited for shooters who value a durable, optics-ready platform with suppressor compatibility and a midsize footprint, this FN 509 Midsize Tactical combines practical features for range work, training, and duty use. Its threaded barrel, optic-mounting provision, and ergonomic polymer frame make it a versatile option for those seeking a modern 9mm pistol built for consistent performance in varied conditions.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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