Optics Ready FN 509: Tactical Firearm with Extended Magazine & Night Sights

For shooters focused on dependable performance, modularity, and value, an optics-ready semi-automatic pistol that arrives combat-ready can be a game changer. Whether for range work, home defense, or training, the right combination of factory features and aftermarket options matters.

FN 509

FN 509 optics ready pistol angled view with night sights

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HWK XL 5.56 Giveaway

Live now • Ends Feb 1, 2026
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Deadline: Feb 1, 2026
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Design and Tactical Features

The FN 509 delivers an optics-ready slide, allowing for quick integration of red-dot sights using the included optic plate kit. Night sights are factory-equipped, providing low-light target acquisition straight out of the case. Ergonomics are addressed with an extra backstrap so shooters can tune grip fit for consistent control and faster follow-up shots.

Magazine Capacity and Practical Use

This configuration includes a 24-round extended magazine and a 12-round magazine. The extended magazine gives added margin in defensive scenarios and extended range sessions, while the compact-capacity magazine offers easier carry profile or compliance with local storage rules. As a semi-auto platform, the FN 509’s mag options are practical for duty, home defense, and competitive practice.

Packaging and Certified Used Advantage

The package comes with an FN soft case and owner’s manual, making transport and storage straightforward. This listing is Certified Used — meaning the firearm has been inspected, verified to be in very good to excellent condition, and held to a high quality standard. Certified Used firearms also include a ‘no questions asked’ return policy, providing added buyer confidence on a $799.99 offering.

View product details and pricing to review full specs and purchase options.

Why Choose FN

FN has a long history supplying reliable service pistols to military and law enforcement worldwide. The FN 509 continues that tradition by combining a rugged platform with modern ergonomics and optics-ready flexibility, making it a solid choice for professionals and responsible civilians alike.

FN 509 optics ready pistol product image, showing slide and controls

For those ready to add a battle-tested optics-ready pistol with night sights, extra magazines, and the assurance of a Certified Used inspection at $799.99, Check current availability and secure your purchase through our shop page.

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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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