The FN 509 platform has earned a reputation for reliability and duty-ready features; the Midsize Tactical variant refines that pedigree into a package optimized for precision under stress. Designed for shooters who demand fast follow-up shots, rugged construction, and concealment-friendly ergonomics, this pistol balances confidence-inspiring controls with modern tactical upgrades.

FN 509 MIDSIZE TACTICAL [FDE] *10-ROUND*

Shop this product to see full specifications and purchase options; the listed price is $917.99.

Design and build quality

The FN 509 MIDSIZE TACTICAL [FDE] *10-ROUND* is built on proven FNS Compact architecture. It features a cold hammer-forged stainless-steel barrel with a recessed target crown and polished chamber and feed ramp—details that contribute to consistent lockup, improved accuracy, and reliable feeding under a variety of loads. The Flat Dark Earth slide paired with an FDE polymer grip/frame offers both corrosion resistance and an unobtrusive tactical finish.

Ergonomics and controls

This model’s polymer frame includes an enhanced grip texture and interchangeable backstraps—two FDE backstraps are supplied—so shooters can tune grip circumference for faster follow-up shots. The Midsize series shortens the grip profile to improve concealment and reduce bulk for daily carry or duty holstering, while retaining a full-featured control layout: a fully ambidextrous slide stop lever and magazine release, an external extractor, and a loaded chamber indicator. Notably, this pistol is striker-fired and does not include a manual safety, keeping the operation streamlined for rapid presentation and engagement.

Sights, accessories, and magazines

For suppressed use or low-light target acquisition, the pistol comes with suppressor-height night sights and a MIL-STD-1913 accessory rail for lights or lasers. The package includes two 10-round magazines and a FN logo soft pistol case—useful extras for transport and storage. These features make the pistol adaptable for defensive, range, or duty roles.

Field considerations

Tactical operators and responsible civilian carriers will appreciate the combination of robust barrel work, refined feed geometry, and ergonomic controls that aid accuracy under time pressure. With quality features from a notable manufacturer and a sensible Midsize footprint, this model is a strong option where balance between control and concealability matters.

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