FN Herstal 509 9mm 4in Semi-Automatic Handguns: Price & Reviews | GunsNation

Your Gun Community, Your Best Deals

Best Sellers Recently Added Handguns Rifles Shotguns Blog

Home/Semi-Automatic Handguns/FN Herstal 509 9mm 4in

FN Herstal 509 9mm 4in

The FN Herstal 509 9mm 4in is a 9mm semi-automatic handguns from FN Herstal. It is available from 1 vendor at $456.99.

From $456.99

Product Information

Name: FN Herstal 509 9mm 4in

Brand: FN Herstal

Category: Semi-Automatic Handguns

Caliber: 9mm

Barrel Length: 4"

UPC: 845737010591

SKU: UCEt9uJ3f

openai 9mm Semi-Automatic Handguns FN Herstal 9mm Firearms

Description

The FN Herstal 509 is a striker-fired semi-automatic handgun chambered in 9mm with a 4-inch barrel. It ships with three 10-round magazines and comes fitted with night sights from the factory.

Key Specifications

Brand: FN Herstal
Model: 509

Concealed Carry

Best 9mm Handguns

Best Semi-Auto Shotguns

Weatherby Mark V

Handguns

Shotguns Handguns Rifles Black Powder Firearms

Semi-Automatic Handguns

Semi-Automatic Handguns Revolvers Derringers Single Shot Pistols

FN Herstal 509 9mm 4in

FN Herstal 509 9mm 4in - 9mm

Users Reviews

Add your review for a chance to win $100!

FN Herstal 509 9mm 4in

from

$456.99

Buy from the vendor

Related Video

Information

Offers 1

Reviews 0

Questions 0

Information

Description

Details

Name:FN Herstal 509 9mm 4in

Model:509

Barrel Length:4”

Offers

ProductVendorPrice

Customers say

AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.

Frequently Asked Questions

What caliber is the FN Herstal 509?

The FN Herstal 509 is chambered in 9mm.

Who makes the 509?

The 509 is made by FN Herstal.

What type of firearm is the FN Herstal 509?

It is a striker-fired semi-automatic handgun.

What is the barrel length of this FN 509 variant?

This variant has a 4-inch barrel.

How many rounds does the FN Herstal 509 hold?

It ships with three 10-round magazines and has a 10+1 capacity.

Does the FN Herstal 509 come with night sights?

Yes, factory night sights are installed.

Where can I buy the FN Herstal 509?

Compare current vendor offers on this page.

User Reviews

Be the first to write a review

Tell us about the advantages and disadvantages of the product.

Your feedback will assist other firearms enthusiasts in making an informed decision.

Additionally, we hold a weekly $100 raffle for users who submit firearm reviews.

Questions About

Ask a question about the product

The seller, the brand representative, or the firearms enthusiast who owns or has owned this product will respond to you. We will send a notification when the response is received.

Characters entered: 0/3000

Products Related To This Item

FN 509 9mm 4.25in Night Sights - 9mm

FN 509 9mm 4.25in Night Sights

FN 509 Tactical 9mm Pistol - Lightweight, Reliable... - 9mm

FN 509 Tactical 9mm Pistol - Lightweight, Reliable...

FN 509 CC Edge: Compact 9mm with Optics & Compensa... - 9mm

FN 509 CC Edge: Compact 9mm with Optics & Compensa...

FN 509 Tactical 9mm Pistol - Night Sights & Thread... - 9mm

FN 509 Tactical 9mm Pistol - Night Sights & Thread...

FN 509 Midsize MRD - FDE, Optics Ready 9mm Pistol - 9mm

FN 509 Midsize MRD - FDE, Optics Ready 9mm Pistol

More Guns

Ruger RXM 9mm 4in White Camo - 9mm

Ruger RXM 9mm 4in White Camo

Smith & Wesson Equalizer 9mm 3.675in Black - 9mm

Smith & Wesson Equalizer 9mm 3.675in Black

Rock Island Armory TAC Ultra FS HC 9mm 5in Optic C... - 9mm

Rock Island Armory TAC Ultra FS HC 9mm 5in Optic C...

FN 509T Bronze 9mm Tactical Pistol - Night Sights ... - 9mm

FN 509T Bronze 9mm Tactical Pistol - Night Sights ...

Diamondback DB9 9mm FDE - 9mm

Diamondback DB9 9mm FDE

Caliber: 9mm

Action: Semi Auto

Barrel Length: 4"

Capacity: 10+1

Detailed Features

4-inch barrel in a full-size handgun configuration
Includes three 10-round magazines
Factory night sights installed
Striker-fired semi-automatic action

Complete Specifications

Caliber	9mm
Model	509
Barrel length	4"
Action	Semi Auto

Frequently Asked Questions

What caliber is the FN Herstal 509?

The FN Herstal 509 is chambered in 9mm.

Who makes the 509?

The 509 is made by FN Herstal.

What type of firearm is the FN Herstal 509?

It is a striker-fired semi-automatic handgun.

What is the barrel length of this FN 509 variant?

This variant has a 4-inch barrel.

How many rounds does the FN Herstal 509 hold?

It ships with three 10-round magazines and has a 10+1 capacity.

Does the FN Herstal 509 come with night sights?

Yes, factory night sights are installed.

Where can I buy the FN Herstal 509?

Compare current vendor offers on this page.

Customers Say

AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.

Owners of the FN 509 tend to praise its reliability across a wide range of 9mm ammunition. The grip texture gets positive marks for control without being overly aggressive, and the night sights are frequently called out as a genuine factory upgrade rather than an afterthought.

The trigger on the 509 splits opinion. Some shooters find the take-up and reset predictable and consistent; others consider it on the heavier side compared to competing striker-fired pistols in the same class. Ergonomics generally get high marks, though grip width can be a consideration for smaller hands.

Value perception is solid given the FN pedigree. The three-magazine inclusion at the standard price point is a common positive mention. A recurring minor complaint is the magazine release requiring deliberate effort to actuate, which some find reassuring and others find slow under pressure.

Where to Buy - 1 Offers Available

Price Range: $456.99 - $456.99

Vendor	Price	Condition	Link
Buds Gun Shop	$456.99	New	Buy Now

Products Related To This Item

FN 509 9mm 4.25in Night Sights

FN 509 Tactical 9mm Pistol - Lightweight, Reliable, Versatile - 9mm

FN 509 Tactical 9mm Pistol - Lightweight, Reliable, Versatile

FN 509 CC Edge: Compact 9mm with Optics & Compensator - 9mm

FN 509 CC Edge: Compact 9mm with Optics & Compensator

FN 509 Tactical 9mm Pistol - Night Sights & Threaded Barrel - 9mm

FN 509 Tactical 9mm Pistol - Night Sights & Threaded Barrel

FN 509 Midsize MRD - FDE, Optics Ready 9mm Pistol - 9mm

FN 509 Midsize MRD - FDE, Optics Ready 9mm Pistol

FN 509 CC Edge XL 9mm 4.2in Black/Gray Cerakote - 9mm

FN 509 CC Edge XL 9mm 4.2in Black/Gray Cerakote

More Guns

Ruger RXM 9mm 4in White Camo - 9mm

Ruger RXM 9mm 4in White Camo

Smith & Wesson Equalizer 9mm 3.675in Black - 9mm

Smith & Wesson Equalizer 9mm 3.675in Black

Rock Island Armory TAC Ultra FS HC 9mm 5in Optic Cut Black - 9mm

Rock Island Armory TAC Ultra FS HC 9mm 5in Optic Cut Black

FN 509T Bronze 9mm Tactical Pistol - Night Sights & Ambi Controls - 9mm

FN 509T Bronze 9mm Tactical Pistol - Night Sights & Ambi Controls

Diamondback DB9 9mm FDE - 9mm

Diamondback DB9 9mm FDE

Walther PDP F-Series Pro 9mm 3.5in Black - 9mm

Walther PDP F-Series Pro 9mm 3.5in Black

Buy Guns Online

Handguns Rifles Shotguns Tactical Black Powder

About GunsNation

About Us For Gun Vendors Gunsnation Blog

Legal

Term Of Services Privacy Policy

Powered by AI and carefully checked for data accuracy by our team and community of gun enthusiasts. Gunsnation.com provides firearm prices, reviews, and vendor listings for informational purposes only. We may earn commissions through affiliate links at no extra cost to you. Prices and product details are subject to change; verify with vendors before purchasing. We do not endorse any products or vendors. Compliance with all applicable laws is your responsibility. Gunsnation.com is not liable for any damages arising from your use of the site.

Made with ♥ in KY. © 2026 All rights reserved.

Your Gun Community, Your Best Deals

Buy Guns Online

About GunsNation

For Gun Vendors

Gunsnation Blog

Legal

Term Of Services

Powered by AI and carefully checked for data accuracy by our team and community of gun enthusiasts. Gunsnation.com provides firearm prices, reviews, and vendor listings for informational purposes only. We may earn commissions through affiliate links at no extra cost to you. Prices and product details are subject to change; verify with vendors before purchasing. We do not endorse any products or vendors. Compliance with all applicable laws is your responsibility. Gunsnation.com is not liable for any damages arising from your use of the site.

Made with ♥️ in KY.

© 2026 All rights reserved.

v1785416378914