# FN 509C Compact 9mm Pistol, 24+1 Rounds, Ergonomic Black Design

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

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 3.7"
- **Capacity:** 24 rounds
- **Finish:** Black
- **Weight:** 25.5 oz
- **Overall Length:** 6.8"
- **UPC:** 845737016760
- **SKU:** UCEt9uKfA

## Description

The FN 509C is a compact 9mm pistol with a 3.7-inch barrel, 6.8-inch overall length, and 25.5 oz weight. The action is striker-fired DAO. Capacity is 24+1 rounds with the extended magazine; also accepts 12+1 and 15+1 options. Sights are HiViz front with low-profile rear. The grip has interchangeable backstraps in black polymer. There is no external safety lever; a loaded chamber indicator shows chamber status.

Key Specifications
- **Brand:** FN
- **Model Name:** 509C
- **Caliber:** 9MM LUGER (9X19 PARA)
- **Action:** Striker Fired (DAO)
- **Capacity:** 24+1 Rounds
- **Barrel Length:** 3.7 inches
- **Overall Length:** 6.8 inches
- **Weight:** 1.6 lbs (25.5 oz)
- **Sights:** HiViz Front & Low Profile Rear
- **Grip Type:** Black Interchangeable Backstrap
- **Finish:** Black Polymer Frame

Detailed Features
The interchangeable backstraps allow grip customization for different hand sizes. The loaded chamber indicator provides a tactile and visual status check without cycling the slide. At 25.5 oz and 6.8 inches, it carries at the larger end of the compact category but the 24+1 capacity partially explains the size. No external safety lever. The DAO trigger is the primary mechanism for preventing unintended discharge.

## Frequently Asked Questions

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

A: The FN 509C is chambered in 9mm Luger (9x19 Para).

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

A: FN Herstal makes the FN 509C.

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

A: It is a compact, striker-fired DAO semi-automatic handgun with a black polymer frame.

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

A: The barrel is 3.7 inches long.

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

A: It has a 24+1 capacity with the extended magazine. It also accepts 12+1 and 15+1 magazine options.

**Q: Does the FN 509C have an external safety?**

A: No. The FN 509C has no external safety lever. It has a loaded chamber indicator that shows chamber status.

**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*

Owners of the FN 509C consistently highlight the 24+1 capacity and ergonomics as the reasons they chose it. The interchangeable backstraps and grip texture work well for shooters across a range of hand sizes, and recoil is described as manageable for accurate follow-up shots.

The most common critique is size. Despite the compact designation, the 509C is noticeably larger than micro-compact alternatives, and owners who prioritize deep concealment sometimes find themselves reaching for a smaller gun. Weight at 25.5 oz is competitive but adds up over a full carry day. Trigger opinions are split: acceptable to most, but a subset feel the pull could be smoother. Holster and accessory availability is narrower than for Glock equivalents. Price is viewed as fair by most but slightly high compared to competitors by some.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $529.99 |
| Gunbuyer Com | $629.00 |

## Similar Products

- [FN 509C 9mm Compact Pistol Bundle with HiViz Sights - Black](https://gunsnation.com/p/fn-509c-9mm-compact-pistol-bundle-with-hiviz-sights-black/UCEt9uKfR)
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- [FN 509C Tactical - Compact 9mm Night Sights Black Pistol](https://gunsnation.com/p/fn-509c-tactical-compact-9mm-night-sights-black-pistol/UCEt9uJSp)
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*Data from [GunsNation](https://gunsnation.com)*