FN 509 Midsize Tactical 9mm Holosun 407C, 4.50 in

About this product

The FN 509 Midsize Tactical is a red-dot and suppressor-ready service handgun purpose-built for duty use, range training, and practical carry. It ships with a factory-installed Holosun 407C optic and is supplied with two magazines, a case, a locking device, and the owner’s manual. The pistol uses a cold hammer-forged stainless steel barrel with a recessed target crown and an optic-ready slide to accept low-profile optics. Controls are fully ambidextrous and the package includes suppressor-height night sights and enhanced cocking serrations for positive manipulation.

Key Specifications

• The caliber is 9mm.
• Standard magazine capacity is 10 + 1.
• The barrel length is 4.50 inches.
• The action is Striker Fired.
• The frame finish is Matte Black.
• Grip options include a Black Interchangeable Backstrap.
• The slide is Optic Ready/Serrated.
• Sights are 3-Dot Night with suppressor-height.
• Includes Holosun 407C optic, two magazines, case, locking device, and owner’s manual.
• Features include MIL-STD-1913 accessory rail, external extractor, loaded chamber indicator, and flat-faced trigger.

Combining proven duty-grade components with a factory-installed red dot and suppressor-ready ergonomics, the FN 509 Midsize Tactical delivers a ready-to-use platform for range work and practical defensive roles. Its Midsize footprint balances controllability and capacity while the included accessories reduce the need for immediate upgrades, making it a capable choice for informed shooters who value reliability and straightforward performance.