# FN 509C Compact 9mm Striker-Fired Pistol - Matte Black Precision

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

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 3.7"
- **Capacity:** 10 rounds
- **Finish:** Black
- **Weight:** 25.5 oz
- **Overall Length:** 6.8"
- **UPC:** 845737010898
- **SKU:** UCEt9uJ8c

## Description

The FN 509C is a compact striker-fired pistol chambered in 9mm Luger. It has a 3.7-inch cold hammer-forged barrel, holds 10+1 rounds, weighs 25.5 oz (1.6 lbs), and has a matte black finish. The slide includes an adapter plate for optics mounting. Interchangeable backstraps fit different hand sizes.

### Key Specifications
- **Brand:** FN
- **Model:** 509C
- **Caliber:** 9MM Luger (9x19 Para)
- **Action:** Striker-fired DAO (Double Action Only)
- **Capacity:** 10+1 rounds
- **Barrel Length:** 3.7 inches
- **Weight:** 1.6 lbs (25.5 oz)
- **Sights:** Open Notch Iron Sights
- **Optic Mount:** Adapter plate included
- **Finish:** Matte Black

### Detailed Features
- **Cold Hammer-Forged Barrel:** Consistent bore, extended service life.
- **Striker-Fired Action:** DAO trigger, consistent pull weight. No external safety required; the internal mechanisms handle drop and firing pin safety.
- **Optics Adapter Plate:** Included from the factory. Mounts common red dot footprints without additional hardware.
- **Interchangeable Backstraps:** Three sizes included; fit the grip to different hand dimensions.
- **Polymer Frame + Steel Slide:** High-quality polymer and steel construction keeps the package at 25.5 oz unloaded.

## Frequently Asked Questions

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

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

**Q: What brand makes the FN 509C?**

A: It is made by FN Herstal.

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

A: It is a compact striker-fired pistol.

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

A: The barrel is 3.7 inches long and cold hammer-forged.

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

A: It has a 10+1 capacity.

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

A: Yes. The slide includes an adapter plate for optics mounting, included from the factory.

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

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The FN 509C in matte black gets favorable feedback across most user groups, including concealed carriers, range shooters, and those evaluating it for duty use.

The compact size carries well and handles comfortably during extended sessions. Grip ergonomics are consistently praised. The texture is described as effective and the backstrap options let shooters fine-tune the fit. Reliability with a wide range of ammunition is well-documented across owner reports.

The striker-fired DAO trigger gets mixed reactions. Proponents like the consistent pull and simplicity; some shooters find the pull weight heavier than they prefer for fast follow-up work. Aftermarket support exists but is thinner than Glock or M&P, which matters to those who want a specific holster or trigger component. Weight, at 25.5 oz, sits slightly heavier than some competing compact 9mms, which a few users note. The optics adapter plate as standard equipment is seen as a practical addition that avoids the need for a separate purchase when adding a red dot.

## Pricing

**9 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $650.49 |
| RK Guns | $679.97 |
| Gritrsports Com | $686.99 |
| Kygunco Com | $697.12 |
| Gunbuyer Com | $729.00 |
| Selwayarmory Com | $729.00 |
| Palmettostatearmory Com | $729.99 |
| Centerfiresystems Com | $729.99 |
| Guns Com | $734.99 |

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