FN 509M Tactical 9mm 4.5in Holosun 407C Black 15/24rd

The FN 509M Tactical is a midsize, red-dot and suppressor-ready 9mm semi-automatic pistol built for training, duty, and range use. It ships with a factory-mounted Holosun 407C red-dot sight, a threaded cold hammer-forged stainless steel barrel with recessed target crown, and two magazines for extended sessions. The slide is optic-ready using FN’s low-profile mounting system and features suppressor-height 3-dot night sights. Controls are fully ambidextrous and the frame uses interchangeable backstraps for a tailored grip.

Key Specifications

• The action is Striker Fired.
• The caliber is 9mm Luger.
• The barrel length is 4.50 inches and is cold hammer-forged stainless steel with a recessed target crown.
• The muzzle is 1/2×28 TPI threaded for suppressor or adapter compatibility.
• The sights are Suppressor-height 3-dot night sights.
• The package includes a Holosun 407C red-dot optic and uses the FN Low-Profile Optics Mounting System.
• The firearm includes one 15-round and one 24-round magazine for extended training and duty use.
• The controls are fully ambidextrous with slide stop and magazine release mirrored for left- or right-handed operation.
• The construction is a polymer frame and steel slide finished in matte black.
• The accessory interface is a MIL-STD-1913 Picatinny rail for lights and other attachments.

With an optics-ready slide, threaded barrel, and a higher-capacity magazine included, the FN 509M Tactical is configured for versatility across range sessions, duty applications, and practical defensive roles. Its combination of proven ergonomics, suppressor-ready features, and factory-installed red dot makes it a practical choice for shooters seeking a rugged, adaptable midsize platform.