The modern defensive shooter looks for a duty-grade semi-automatic that balances ergonomics, control, and proven durability. For operators who prioritize manual dexterity and rapid follow-up shots, ambidextrous controls are a major advantage — especially in high-stress training or real-world scenarios.

FN 509

This Certified Used FN 509 is offered at $449.99 and includes the original box, soft case, owner’s manual, two 17‑round magazines, and an interchangeable backstrap. Shop this product here to view the package and complete listing on our shop page.

Ambidextrous Controls: Practical Advantages

The FN 509 features an ambidextrous mag release and an ambidextrous slide lock/release. Those controls give both left- and right-handed shooters identical access to critical functions, reducing manipulation time during tactical reloads and malfunction clearance. For instructors teaching bilateral drills, the mirrored controls simplify training and improve muscle memory.

Ergonomics and Custom Fit

The included backstrap allows shooters to fine-tune grip circumference for better trigger reach and recoil management. Two factory 17‑round magazines provide immediate range-ready capacity and balanced weight for consistent handling.

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Certified Used Value and What’s Included

Buying Certified Used delivers value without compromising standards. This FN 509 is labeled Certified Used — meaning the handgun is inspected to be in very good to excellent condition and backed by a ‘no questions asked’ return policy. The package includes the original box, soft case, owner’s manual, two 17‑round magazines, and the backstrap, making it a complete carry or training solution straight from the shop.

Fit for Duty: Brand and Model Notes

Brand: Fn. Model: Various. Category: Semi Auto. Caliber: N/A (caliber not specified on the listing). If you require a specific caliber, check availability on the product page before purchase to ensure it meets your training or defense needs.

Deployability and Recommended Use

With ambidextrous controls and compact, service-style capacity, this FN 509 suits concealed carriers who want an extra edge in ergonomics, as well as range shooters focused on defensive drills. The included soft case and manuals make it convenient for storage and transport, while the two 17‑round magazines provide a solid starting point for practice sessions.

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