# FN 509 Tactical FDE 9mm Optic-Ready Handgun, 24-Rd Capacity

**Brand:** FN Herstal
**Category:** Full Size Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 4.5"
- **Capacity:** 17 rounds
- **Finish:** Black
- **Weight:** 27.9 oz
- **Overall Length:** 7.9"
- **UPC:** 845737016814
- **SKU:** UCEt9uKg2

## Description

The FN 509 Tactical is a semi-automatic 9mm pistol with a 4.5-inch barrel, 24-round capacity (17-round magazine also included), and a Flat Dark Earth finish. It weighs 1.75 lbs (27.90 oz) and has a polymer frame. The optic-ready slide, threaded barrel, and fixed 3-dot night sights define its tactical configuration.

### Key Specifications
- **Brand:** FN
- **Model:** 509 Tactical
- **Caliber:** 9mm Luger (9x19 Para)
- **Barrel Length:** 4.5 inches
- **Capacity:** 24 rounds (17-round magazine also included)
- **Finish:** Flat Dark Earth
- **Frame Material:** Polymer
- **Weight:** 1.75 lbs (27.90 oz)

### Detailed Features

The optic-ready slide has machined cuts for direct mounting of red dot sights. The threaded barrel accepts suppressors and muzzle devices. Fixed 3-dot night sights give a usable sight picture in low light and maintain clearance with a suppressor attached. Interchangeable backstraps adjust grip size to different hand sizes. The ambidextrous design accommodates left- and right-handed users. Polymer frame construction keeps weight at 27.90 oz.

## Frequently Asked Questions

**Q: What caliber is the FN 509T?**

A: It is chambered in 9mm Luger (9x19 Para).

**Q: Who makes the FN 509T?**

A: FN Herstal makes it.

**Q: What type of firearm is the FN 509T?**

A: It is a semi-automatic full-size handgun with a polymer frame.

**Q: What is the barrel length of the FN 509T?**

A: The barrel is 4.5 inches long.

**Q: How many rounds does the FN 509T hold?**

A: It has a 24-round capacity, and a 17-round magazine is also included.

**Q: Is the FN 509T optic-ready?**

A: Yes, the slide has machined cuts for direct red dot mounting.

**Q: Does the FN 509T have a threaded barrel?**

A: Yes, the barrel is threaded and accepts suppressors and muzzle devices.

**Q: Where can I buy the FN 509T?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The FN 509 Tactical FDE optic-ready draws consistent praise for its solid build and reliability. The 24-round capacity is a frequently noted advantage for those who want a high-capacity option for defensive use or competition, and the optic-ready slide is appreciated for the flexibility it gives in mounting a red dot. Accuracy and ergonomics are cited regularly as strengths.

Size and weight come up as trade-offs for concealed carry use. While the solid feel is a positive in most contexts, some users find it less practical for daily concealment compared to more compact pistols. Trigger feel splits opinion, with some users satisfied and others noting it as an area for potential improvement through aftermarket options. Overall discussions reflect a strong ownership base that values the 509 Tactical's features and performance for its intended applications.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $929.00 |

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*Data from [GunsNation](https://gunsnation.com)*