FN 509M Tactical 9mm 4.5in Threaded FDE Bundle

About this product

The FN 509M Tactical is a midsize, optics-ready semi-automatic pistol built for versatile use. It is chambered in 9mm and features a threaded 4.5-inch barrel and suppressor-height sights for use with muzzle devices and optics. The pistol uses FN’s low-profile optics-mounting system and includes an FDE (Flat Dark Earth) finish and polymer frame. Controls are configured to support ambidextrous operation for right- and left-handed shooters.

Key Specifications

• Chambered in 9mm for common defensive and range ammunition.
• Barrel measures 4.5 inches and is threaded to 1/2×28 for compatible muzzle devices.
• Finish is Flat Dark Earth (FDE) for a subdued, durable appearance.
• Equipped with Suppressor-height 3-dot night sights for co-witnessing with optics and use with muzzle devices.
• Features the FN Low-Profile Optics-Mounting System to accept a variety of micro red dot sights.
• Controls are fully ambidextrous to support both right- and left-handed operation.
• Frame material is polymer with FDE grip treatment for reduced weight and corrosion resistance.
• Overall length is 7.9 inches for a midsize balance of shootability and concealability.

The FN 509M Tactical is aimed at shooters who want a midsize platform that accommodates optics and muzzle devices without sacrificing practical handling. Its combination of a threaded barrel, optics-ready slide, suppressor-height sights and ambidextrous controls makes it suitable for a range of uses from everyday carry to duty or range use where modularity and reliability are priorities.