FNH FN509 Midsize Tactical 9mm Optic Ready Pistol


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FNH FN509 Midsize Tactical 9mm Optic Ready Pistol

FNH FN509 Midsize Tactical 9mm Optic Ready Pistol with 4.5 Inch Threaded Barrel

What’s in the Box

FN 509 9mm Optic Ready Pistol

(1) 15 Round Magazine

(1) 24 Round Magazine

(2) Interchangeable Backstraps

Locking Device

Soft Pistol case

Owner’s Manual


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FNH FN509 Midsize Tactical 9mm Optic Ready Pistol

Building on the success of FN’s Tactical pistol family, meet the all-new FN 509 Midsize Tactical.

Perfectly suited for concealed carry, home defense and duty use, the multi-role FN 509 Midsize Tactical is red dot and suppressor-ready and offers a full-hand 15-round grip frame with the added option of a 24-round magazine for higher round-count training sessions.

The perfectly balanced proportions are optimized for shootability and fast sight acquisition over smaller pistols, giving the user a “just-right” recoil impulse that provides superior control and accuracy at speed. The smooth trigger has a clean break at around 5lbs.

For the tactical shooter seeking the perfect balance of capacity and concealability who values quality, and versatility, look no further than the FN 509 Midsize Tactical.


Firearm Features

FN Low-Profile Optics-Mounting System™

Fully ambidextrous controls

15-round and 24-round magazines

Suppressor-height 3-dot night sights


Add most MRDs in minutes

Long-wearing PVD finish

External extractor; loaded chamber indicator


Cold hammer-forged stainless steel barrel

Recessed target crown

Polished chamber and feed ramp

1/2” x 28 threaded Barrel

O-Ring retention thread cap


High endurance striker

Duty-safe trigger with ≈ 5.6-lb. pull

Enhanced grip texture which enables faster follow-up shots

Interchangeable backstraps

MIL-STD-1913 rail


Fully ambidextrous slide stop lever and magazine release


High visibility, low-friction follower; polymer base with black finish

Firearm Specifications

Manufacturer: FN

Model: 509

Caliber: 9mm

Barrel Length: 4.5″

Twist Rate: 1:10″ RH

Overall Length: 7.9″

Finish: FDE

Grips: Interchangeable Backstraps

Sights: Suppressor Height 3-Dot Night Sight

Magazine Capacity: 15+1 24+1

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FNH FN509 Midsize Tactical 9mm Optic Ready Pistol