Fn 509 Semi-Auto 9mm: Compact, Proven Reliability for Defense

The compact, duty-ready FN 509 is a strong option for personal defense and everyday carry with proven ergonomics and solid magazine capacity. In a used-condition offering, it delivers the core features that made the platform popular while keeping price and footprint practical for shooters who want a reliable semi-auto 9mm handgun.

FN 509

FN 509 compact 9mm handgun front and side view

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HWK XL 5.56 Giveaway

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Deadline: Feb 1, 2026
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Platform Overview

Manufacturer: FNH / Importer: FNH. The FN 509 is a semi-automatic handgun built on a polymer grip frame with an anodized finish and a 3.9″ single barrel. This configuration balances concealability and sight radius, making follow-up shots more controllable than subcompact alternatives. The package includes two 17-round magazines and a soft case for transport and storage.

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Key Features and Tactical Benefits

Caliber and Ballistics

Chambered in 9 MM, the FN 509 makes use of a widely available, controllable cartridge that offers effective terminal performance with manageable recoil in a compact platform. The 3.9″ barrel preserves velocity and accuracy compared to shorter barrels, which helps with consistency from typical defensive distances.

Capacity and Controls

A 17-round magazine capacity gives a clear advantage for defensive and duty scenarios by reducing reload frequency. The polymer grip provides a lightweight, durable interface and the semi-automatic action delivers reliable cycling when maintained properly. Two magazines included with the used-condition offering mean you’re ready to train or deploy out of the box.

What to Expect Buying Used

This listing is marked as used and priced at $579.99, offering a cost-efficient path to a service-capable pistol. The package includes a soft case and two mags. Inspect any used firearm for overall finish, bore condition, and functioning of controls; the anodized finish on this model stands up well to handling but should be verified prior to purchase.

View product details and pricing

FN 509 angled view showing slide and grip texture

For shooters seeking a compact, proven defensive pistol with a 17-round capacity and 3.9″ barrel in a durable polymer frame, the FN 509 at $579.99 is worth evaluating. Check current availability on our shop page to confirm inventory and complete your purchase through the retailer.

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People Also Ask

What makes this product stand out from competitors?

This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.

Is this product suitable for beginners?

Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.

What warranty or support is available?

The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.

How does this compare to similar products in its price range?

This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.

What maintenance is required?

Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.

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