FN 509 Midsize

From: $649.00 $549.00

Upgrade your EDC with the all-new FN 509® Midsize. This ideal combination of a four-inch slide and barrel with a midsize frame retains full-sized pistol performance in an easily-concealed package. The 9mm pistol ships standard with 15-round capacity and is compatible with all FN 509 magazines with use of a sleeve. The improved controls aid in manipulation, the new improved texturing on the two included backstraps provides better recoil management and a new, flatter faced trigger allows for more controllable trigger press and cleaner break.

SKU: fn-509-mid-blk Categories: , ,

FN 509 Apex Tactical Trigger

The Apex Action Enhancement Kit for the FN 509 model pistols is a direct drop-in replacement of the factory polymer trigger, trigger bar and sear. The patent pending Apex design reduces trigger pull weight to give you an approx. pull weight in the 5.5 lbs range. Trigger travel is also reduced, including pre-travel, over-travel, overall trigger travel and trigger reset distance. It provides a smooth uptake while delivering a crisp trigger break.

FN 509 Threaded Barrel by Apex Tactical Specialties - 9MM

This Apex 9mm Threaded Barrel is designed specifically for the FN 509 model pistols with a factory 4.00" barrel. The heat treated stainless steel barrel has a black Melonite finish with contrasting stainless flutes. The barrel features a 1:10” twist rate that is designed to increase accuracy performance. The thread pattern is 1/2-28 and a thread protector is included. This barrel is a true drop-in and requires no fitting.

In stock

FN 509 Failure Resistant Extractor by Apex Tactical Specialties

The Apex Failure Resistant Extractor for the 9mm models of the FN 509 is designed to ensure consistent and reliable extraction under the most adverse conditions. Machined from a billet of heat-treated stainless steel, critical engagement surface features Apex’s custom extractor hook geometry and is machined by wire EDM. Black Nitride finished for enhanced durability.

In stock

FN 509 Heavy Duty Striker by Apex Tactical Specialties

The Apex Heavy Duty Striker for the FN 509 is a direct drop-in replacement option for customers with FN 509 and FNS series pistols. The striker is machined from a billet of stainless steel and heat treated for enhanced durability.

Out of stock

1791 Gunleather BH2.4S - Open Top Multi Fit Holster

made-in-usaThis 1791 Gunleather holster fits the FN 509.  This Open Top Multi-Fit Belt Holster also offers excellent retention for a wide range of firearms.

*This item may take a few extra days to ship.

UpLULA™ – 9mm to 45ACP universal pistol mag loader

The UpLULA™ is a military-grade, pocket-size, universal pistol magazine loader and unloader designed to load and unload virtually all* 9mm Luger up to .45ACP single and double stack magazines of all manufacturers. It also loads most .380ACP single and double-stack mags, and 1911’s mags. The UpLULA™ loader self-adjusts to the magazine and loads it easily, painlessly, and reliably !

In stock

In stock


OPERATION: Double-action
WEIGHT: 26.5 oz.
HEIGHT: 5.2″
WIDTH: 1.35″
TRIGGER PULL: 5.5 – 7.5 lb.

Full-sized performance in a concealed carry package
Striker-fired autoloader
Double-action operation
Fully ambidextrous controls
Offered as a non-manual safety model
Fixed 3-dot luminescent sights (standard)
Fixed 3-dot night sight available (LE ONLY)

Easily racked, combat-style sights
External extractor; loaded chamber indicator
Improved front and rear cocking serrations

Cold hammer-forged stainless steel
Recessed target crown
Polished chamber and feed ramp

Polymer construction with replaceable steel frame/slide rails
Enhanced grip textures which enables faster follow-up shots in all conditions
Interchangeable backstraps
MIL-STD-1913 accessory mounting rail
Improved flatter face trigger

Fully ambidextrous slide stop lever and magazine release

High visibility, low-friction follower; polymer base with black finish
Compatible with FN 509 17-round and 24-round
magazines with appropriate magazine sleeves

Two interchangeable backstraps
Two 15-round magazines
Owner’s manual
Locking device
FN logo soft pistol case

*10 round model available upon request. Please contact us before purchase