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FN 509® Midsize Tactical

Available for commercial, law enforcement, and military.

MSRP: $1,104.00

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.

Learn More

FN Optics Mounting System Quick Setup & Reference Guide-2019

FN 509® Midsize Tactical Sell Sheet


66-100745 FN 509M Tactical NMS FDE/FDE NS 1X15+1X24 845737011604 
66-100746 FN 509M Tactical NMS FDE/FDE NS 2X10 845737011611 
66-100837 FN 509M Tactical NMS BLK/BLK NS 1X15+1X24 845737015169 
66-100838 FN 509M Tactical NMS BLK/BLK NS 2X10 845737015176 
Shop FN 509 Accessories


  • Caliber: 9mm
  • Operation: Double-action
  • Mag Capacity: 10 or 15/24 Rd.
  • Weight: 27.9 oz.
  • Barrel Length: 4.5"
  • Overall Length: 7.9"
  • Twist Rate: 1:10" RH
  • Height: 5.2"
  • Width: 1.35"
  • Trigger Pull: 4.5 - 6.7 lb.
  • Sight Radius: 5.8"

Primary 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


Two interchangeable backstraps

One 15-round and 24-round magazines or Two 10-round magazines

Owner’s manual

Locking device

FN logo soft pistol case