# FN 509 Tactical - Matte Black 9mm Semi-Auto Pistol

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

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 4"
- **Capacity:** 10 rounds
- **Finish:** Black
- **Weight:** 27.9 oz
- **Overall Length:** 7.9"
- **UPC:** 845737010195
- **SKU:** UCEt9uIxH

## Description

The FN 509 Tactical is a striker-fired 9mm pistol with a 4.5-inch threaded barrel, suppressor-height night sights, and a low-profile optics mounting system. It weighs 27.90 oz (1.74 lbs) and holds 10+1 rounds. The polymer frame is matte black, the slide is stainless steel.

### Key Specifications
- **Brand:** FN America
- **Model:** 509 Tactical
- **Caliber:** 9mm Luger (9x19 PARA)
- **Action:** Semi-Auto Striker Fired
- **Capacity:** 10+1 rounds
- **Barrel Length:** 4.5 inches (threaded)
- **Weight:** 27.90 oz (1.74 lbs)
- **Finish:** Matte Black
- **Frame Material:** Polymer
- **Slide Material:** Stainless Steel

### Detailed Features
The threaded barrel accepts suppressors and muzzle devices directly without an adapter. Suppressor-height fixed three-dot night sights remain visible above most cans. The low-profile optics mounting system is a direct-mount setup, no adapter plate needed for compatible red dots.

Interchangeable backstraps in three sizes let you fit the grip to your hand. The textured grip surface is aggressive enough to hold securely without being abrasive through a holster. FN's striker-fired trigger has a consistent pull with a short, positive reset.

### Usage
The 509 Tactical is purpose-built for suppressor use, which explains the combination of threaded barrel, suppressor-height sights, and direct-mount optics system. Law enforcement agencies have adopted it as a duty pistol. For civilian use it works well as a range pistol or home defense gun, especially for anyone running a suppressor. The 10+1 standard capacity can be extended with higher-capacity magazines.

## Frequently Asked Questions

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

A: The FN 509 Tactical is chambered in 9mm Luger.

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

A: The FN 509 Tactical is made by FN America.

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

A: It is a full-size striker-fired semi-automatic handgun with a polymer frame and stainless steel slide.

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

A: The barrel is 4.5 inches long and is threaded.

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

A: It has a 10+1 capacity.

**Q: Is the FN 509 threaded for a suppressor?**

A: Yes. The 509 Tactical has a threaded barrel and suppressor-height night sights.

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

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> It takes a lot to impress me away from a Glock. Not necessarily away from it but to impress me in a firearm.
>
> — [hickok45](https://www.youtube.com/watch?v=fv-Hw6VUPcE&t=76s)

> It's hard to find people that badmouth these things.
>
> — [hickok45](https://www.youtube.com/watch?v=fv-Hw6VUPcE&t=811s)

> Probably would be the number one choice of these three as a carry gun.
>
> — [hickok45](https://www.youtube.com/watch?v=fv-Hw6VUPcE&t=661s)

> I can't imagine really wanting or needing one bigger than that for just civilian carry or whatever.
>
> — [hickok45](https://www.youtube.com/watch?v=fv-Hw6VUPcE&t=672s)

## What Customers Say

*AI-generated insights from customer reviews*

The 509 Tactical gets consistent marks for build quality and reliability. FN's manufacturing reputation carries over to this platform, and owners report few issues across high round counts.

The optics-ready setup draws regular praise. The direct-mount system is clean and eliminates the play sometimes found in adapter-based solutions. Shooters who run the gun with a red dot find the sight picture intuitive, and the suppressor-height irons co-witness adequately.

The trigger feedback is split. Some shooters find the pull crisp and the reset short; others compare it unfavorably to tuned triggers on competing platforms and feel there's room for improvement stock. Aftermarket trigger options exist for those who want to address this.

Price is the consistent friction point. The 509 Tactical is priced above many competitors, and some buyers question whether the suppressor-specific features are worth the premium if they don't plan to run a can. FN's customer service gets mixed reviews, mostly positive, but with some reports of slower response times.

Aftermarket support, holsters, optics plates, accessories, is solid given the platform's law enforcement adoption.

## Pricing

**9 offers available**

| Vendor | Price |
|--------|-------|
| Kygunco Com | $789.87 |
| Buds Gun Shop | $809.99 |
| Grabagun Com | $819.00 |
| Shootingsurplus Com | $819.00 |
| Primaryarms Com | $819.00 |
| Gritrsports Com | $819.00 |
| Guns Com | $844.99 |
| Gunbuyer Com | $929.00 |
| Palmettostatearmory Com | $929.99 |

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