# FN 509 Tactical 9mm Pistol, FDE, Suppressor Sights, Optics-Ready

**Brand:** FN Herstal
**Category:** Mid-Size Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 4.5"
- **Capacity:** 15 rounds
- **Finish:** Flat Dark Earth
- **Weight:** 26.5 oz
- **Overall Length:** 7.9"
- **UPC:** 845737011604
- **SKU:** UCEt9uJK0

## Description

The FN 509 Midsize Tactical in FDE is a striker-fired 9mm pistol with a 4.5" threaded barrel, suppressor-height 3-dot night sights, and the FN Low Profile Optics Mounting System. It ships with a 15+1 and a 24+1 magazine. The FDE (Flat Dark Earth) finish covers the frame while the slide is matte. No manual safety.

### Key Specifications
- **Brand:** FN America
- **Model:** 509 Midsize Tactical
- **Caliber:** 9MM Luger (9x19 Para)
- **Action Type:** Striker Fired
- **Barrel Length:** 4.5 inches (threaded)
- **Overall Length:** 7.9 inches
- **Weight:** 1.72 lbs.
- **Capacity (Standard):** 15+1 rounds
- **Capacity (Extended):** 24+1 rounds
- **Magazines Included:** 2
- **Sights:** Suppressor Height 3-Dot Night Sights
- **Grip Finish:** FDE Textured Interchangeable Backstrap
- **Safety Features:** No Manual Safety

The fully ambidextrous controls - slide stop, magazine release, and takedown lever - work the same from either hand. The Duty-Safe trigger pull is approximately 5.6 lbs. The FN optics mounting system accommodates a wide range of popular red dots. Picatinny rail on the frame for lights or lasers. The interchangeable backstraps give three grip sizes.

## Frequently Asked Questions

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

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

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

A: It is made by FN America.

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

A: It is a mid-size striker-fired pistol.

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

A: Yes, the 4.5-inch barrel is threaded.

**Q: Is the FN 509M Tactical optic-ready?**

A: Yes. It features the FN Low Profile Optics Mounting System, which accommodates a wide range of popular red dots.

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

A: The barrel is 4.5 inches long.

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

A: It ships with two magazines: one 15+1 and one 24+1.

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

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The FN 509 Tactical in FDE gets strong feedback on build quality and shooting performance. The FDE frame color is appreciated both aesthetically and practically for outdoor use in sandy or dry environments. Owners consistently describe the grip texture and ergonomics as well-designed, and the ambidextrous controls draw specific praise from left-handed shooters.

The optics-ready platform and factory suppressor sights are the features that attract the most enthusiasm. Shooters with cans value not needing aftermarket sights before running a suppressor.

On the critical side, the pistol is midsize rather than compact, which some owners find bulky for daily carry. Trigger feel is occasionally noted as something shooters wish had a shorter reset. Pricing relative to comparable pistols from other manufacturers is debated. Overall the reception is positive, with the FDE variant drawing the same core praise as the standard finish version plus appreciation for the color.

## Pricing

**3 offers available**

| Vendor | Price |
|--------|-------|
| Primaryarms Com | $784.00 |
| Grabagun Com | $879.99 |
| Gunbuyer Com | $929.00 |

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