# FN 509 LS Edge - 9mm, 5" Barrel, Optic Ready, Black Finish

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

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 5"
- **Capacity:** 17 rounds
- **Finish:** Black
- **Weight:** 31 oz
- **Overall Length:** 8.2"
- **UPC:** 845737013141
- **SKU:** UCEt9uJin

## Description

The FN 509 LS Edge is a full-size striker-fired (DAO) pistol in 9mm Luger with a 5-inch barrel and an optic-ready slide. The adapter plate for mounting a red dot is included in the box.

### Key Specifications
- **Brand:** FN America
- **Model:** 509 LS Edge
- **Caliber:** 9mm Luger (9x19 PARA)
- **Action Type:** Striker-Fired (Double Action Only)
- **Capacity:** 17+1 rounds
- **Barrel Length:** 5 inches
- **Overall Length:** 8.2 inches
- **Weight:** 31 oz (approximately 2 lbs)
- **Finish:** Graphite PVD Steel with Two-Tone Appearance
- **Sights:** Fiber optic front co-witnesses with MRD blackout rear notch
- **Optic Mounting System:** Adapter plate included

### Features
The polymer frame has an aggressive grip texture that holds up during sustained fire. The fiber optic front and blackout notch rear give you a clean iron-sight picture and co-witness with a mounted optic. The barrel is steel with a black and graphite PVD coating. The extended slide on the LS Edge gives a longer sight radius than the standard 509 and helps manage recoil on fast follow-up shots.

At 17+1 capacity and 31 oz, this is a full-size carry of range pistol rather than a compact carry gun. The optic-ready design is the main differentiator from a standard 509.

## Frequently Asked Questions

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

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

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

A: The FN 509 LS Edge is made by FN America.

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

A: It is a full-size striker-fired pistol with a polymer frame and a graphite PVD steel slide.

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

A: The FN 509 LS Edge has a 5-inch barrel.

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

A: It has a 17+1 capacity.

**Q: Is the FN 509 LS Edge optic-ready?**

A: Yes. The slide is optic-ready and an adapter plate for mounting a red dot is included in the box.

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

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.*

> A lot of times you're only as accurate as you can shoot the handgun.
>
> — [Colion Noir](https://www.youtube.com/watch?v=NSAowblsvhA&t=50s)

> It does feel a little bit heavier than i would like it to have felt but that's probably to make it super reliable.
>
> — [Honest Outlaw](https://www.youtube.com/watch?v=akvgbxNAF1I&t=232s)

> Fn509's core design is very competent it's perfectly reliable it offers solid accuracy and it's not terribly expensive.
>
> — [AmmoLandTV](https://www.youtube.com/watch?v=tDjs0eB9ZCI&t=18s)

> What really makes you more accurate is that trigger that breaks at 90.
>
> — [Colion Noir](https://www.youtube.com/watch?v=NSAowblsvhA&t=57s)

> I don't really know what to call the grip texture on the ls edge but it looks like what my hair looks like when i don't brush it or pick it out so let's just call it nappy.
>
> — [Colion Noir](https://www.youtube.com/watch?v=NSAowblsvhA&t=249s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the FN 509 LS Edge in 9mm consistently point to accuracy and range performance as the gun's strengths. The 5-inch barrel draws specific mention for how it contributes to tighter groups. Ergonomics are well-received. The grip texture and balance suit a range of hand sizes and most shooters find it comfortable through longer sessions.

The optic-ready capability is a genuine draw for those who want to run a red dot without an adapter hack. Build quality is cited as durable and reliable.

On the downside, some shooters find the gun heavy, particularly for all-day carry. Trigger feel is mostly positive but a few owners think the break and reset could be crisper. Price is a recurring discussion point, broadly accepted as fair given the features, though some find it high relative to alternatives. Overall the reception among experienced shooters is strong, and newer owners tend to appreciate the reliability and the optic compatibility.

## Pricing

**12 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $749.99 |
| Grabagun Com | $769.99 |
| Guns Com | $816.99 |
| Buds Gun Shop | $863.99 |
| Kygunco Com | $918.07 |
| Palmettostatearmory Com | $923.99 |
| Deguns | $958.99 |
| Gritrsports Com | $979.99 |
| Selwayarmory Com | $988.49 |
| Primaryarms Com | $1289.99 |

*...and 2 more offers*

## Similar Products

- [FN 509 LS Edge: Tactical Precision 9mm Pistol - Black Matte](https://gunsnation.com/p/fn-509-ls-edge-tactical-precision-9mm-pistol-black-matte/UCEt9uJj4)
- [FN 509 LS Edge 9mm: Precision Pistol with Vortex Red Dot & Fiber Optics](https://gunsnation.com/p/fn-509-ls-edge-9mm-precision-pistol-with-vortex-red-dot-fiber-optics/UCEt9uKQx)
- [FN 509 Tactical - 9mm, 4.5" Threaded Barrel, Night Sights](https://gunsnation.com/p/fn-509-tactical-9mm-4-5-threaded-barrel-night-sights/UCEt9uIw3)
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- [FN 509 Tactical 9mm Pistol - FDE, Threaded Barrel, Night Sights](https://gunsnation.com/p/fn-509-tactical-9mm-pistol-fde-threaded-barrel-night-sights/UCEt9uIgK)

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