FN 509 Midsize Tactical 9mm Holosun 407C, 4.50 in
Specs at a glance
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.
Key attributes
| upc | 845737018412 |
| manufacturer | FN America / FN Herstal |
| manufacturer part number | 66-101937 |
| action | Striker Fired |
| barrel length | 4.50" |
| caliber/gauge | 9mm |
| capacity | 10 + 1 |
| safety | No |
| sights type | 3-Dot Night/Suppressor Height |
| slide description | Optic Ready/Serrated |