# FN 509C Tactical 9mm, FDE Finish, Threaded Barrel & Night Sights

**Brand:** FN Herstal
**Category:** Compact Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 4.32"
- **Capacity:** 10 rounds
- **Finish:** Flat Dark Earth
- **Weight:** 26.2 oz
- **Overall Length:** 7.4"
- **UPC:** 845737012137
- **SKU:** UCEt9uJSb

## Description

The FN 509C Tactical is a compact 9mm striker-fired pistol in Flat Dark Earth finish. It has a 4.32-inch threaded barrel, three-dot night sights, and FN's Low Profile Optics Mounting System for mounting red dot sights. Capacity is 10+1 rounds. Overall length is 7.4 inches and weight is 26.2 oz (1.6 lbs). The grip ships with interchangeable backstraps.

### Key Specifications
- **Brand:** FN America
- **Model Name:** 509C Tactical
- **Caliber:** 9mm Luger (9x19 Para)
- **Action:** Double Action/Semi-Auto Striker Fire
- **Capacity:** 10+1 rounds
- **Barrel Length:** 4.32 inches (threaded)
- **Overall Length:** 7.4 inches
- **Weight:** 26.2 oz (1.6 lbs)
- **Finish:** Flat Dark Earth (FDE)
- **Sights:** FN Low Profile Optics Mounting System with Night Sights

### Detailed Features

The 4.32-inch threaded barrel accepts suppressors and compensators without an adapter. The FN Low Profile Optics Mounting System allows direct mounting of red dot sights. Night sights are the factory standard and work in low-light without additional equipment. Interchangeable backstraps let you adjust grip width to fit your hand. The frame is polymer; the slide is stainless steel.

The 509C Tactical is the compact version of the 509 line and fits in a smaller footprint than the full-size, though the threaded barrel extends the overall length compared to a standard compact.

## Frequently Asked Questions

**Q: What caliber is the FN509 Tactical?**

A: The FN509 Tactical is chambered in 9mm Luger.

**Q: Who makes the FN509 Tactical?**

A: It is made by FN America.

**Q: What is the barrel length of the FN509 Tactical?**

A: It has a 4.32-inch barrel.

**Q: How many rounds does the FN509 Tactical hold?**

A: It has a 10+1 capacity.

**Q: What type of firearm is the FN509 Tactical?**

A: It is a compact striker-fired semi-automatic pistol with a polymer frame and stainless steel slide.

**Q: Is the FN509 Tactical optic-ready?**

A: Yes. It has FN's Low Profile Optics Mounting System, which allows direct mounting of red dot sights.

**Q: Does the FN509 Tactical have a threaded barrel?**

A: Yes, the 4.32-inch barrel is threaded.

**Q: Where can I buy the FN509 Tactical?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The FN 509C Tactical in FDE draws consistent positive reviews, with a few recurring concerns.

Reliability gets mentioned most often. Owners report it feeds a wide range of ammunition without issues. The ergonomics are frequently praised; the grip shape and interchangeable backstraps give it a comfortable fit across different hand sizes. The threaded barrel is a real draw for suppressor users and those who want to run a muzzle device. Night sights are a factory inclusion that buyers appreciate, as many competing pistols require an aftermarket upgrade for the same capability.

The FDE finish gets positive attention from buyers who want something other than black. Aftermarket support is good, with holsters, lights, and sight options widely available.

On price, some buyers note the 509C Tactical costs more than comparable compact pistols. Most owners feel the feature set and FN's build quality justify it, but it is a premium over basic striker-fired options.

Overall sentiment is positive, with the threaded barrel, optics mounting system, and night sights being the most-cited reasons for choosing it over competitors.

## Pricing

**7 offers available**

| Vendor | Price |
|--------|-------|
| Kygunco Com | $733.37 |
| Buds Gun Shop | $737.99 |
| Grabagun Com | $739.99 |
| Deguns | $742.99 |
| Guns Com | $809.99 |
| Shootingsurplus Com | $929.00 |
| Primaryarms Com | $929.00 |

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