FN FN 509M Mid-Size 9mm Black Striker-Fired Pistol

  • Item Number: 66-100463
  • /
  • View More Items by FN
  • /
  • Condition: NEW
FN FN 509M Mid-Size 9mm Black Striker-Fired Pistol
To see our price, add this item to your cart.
Adding this item won't require you to purchase the product. You can easily remove it from your cart if you decide not to buy it.
Why don't we show the price?
We wish we could, and we realize that this is an inconvenience. Some manufacturers have a minimum advertised price (MAP) for their products. If our price is lower than their MAP, the manufacturer does not allow us to show you our price until you add the item to your shopping cart.

$529.00 after applicable rebate .
Learn more
Temporarily Out of Stock

Includes FREE shipping

Manufacturer Rebate

509 Season

Receive $100 back after a mail-in rebate when you purchase a new FN 509. FN 509®s with Holosun Optics are excluded from this rebate offer.
Offer expires Oct 14, 2025

Shop all eligible items Rebate form/details
  • SPRINGFIELD ECHELON 9MM COMPACT 4 IN THREADED BARREL WITH OPTIC 5 MAGS AND RANGE BAG

    Springfield Echelon 4.0C 9mm Pistol with Threaded Barrel, Viridian Green Dot, Five Magazines and Range Bag
    $1,072.97 $549.99

  • KIMBER MICRO 9 CINDER 9 MM

    Kimber Micro 9 Cinder 9mm Semi-Auto Pistol
    $419.99

  • SPRINGFIELD HELLCAT PRO 9MM COMP BLK OSP NS25 W/ RFX GREEN DOT

    Springfield Hellcat Pro Comp 9mm Pistol with Viridian Green Dot, 3 Extra Magazines and Range Bag
    $835.00 $599.99

  • RUGER MAX-9 9MM 3.2 MS FSIGHT BLK (1) 12-RD

    Ruger MAX-9 9mm Optic Ready Semi-Auto Pistol with 3.2 Inch Barrel
    $299.00 $239.99

  • FNH 509T 9MM PISTOL BLK WITH VORTEX VIPER RED-DOT SIGHT

    FN 509 Tactical 9mm Black Pistol with Vortex Viper Red-Dot Sight
    $1,159.00

  • MILITARY ARMAMENT CORPORATION MAC 5K 9MM 5.8` BARREL ROLLER DELAYED BLOW BACK PISTOL 2-30RND MAGS

    Military Armament Corporation MAC-5K 9mm Pistol with 5.8 Inch Button Rifled Barrel
    $1,099.99 $919.99

  • RUGER EC9S 9MM BLACK PISTOL 3.12 IN BBL

    Ruger EC9s 9mm Striker-Fired Pistol
    $349.00 $219.99

  • KELTEC P15 9MM PISTOL

    Kel-Tec P15 9mm Pistol
    $229.99

  • WALTHER PDP COMPACT 9MM OPTIC READY STRIKER-FIRED PISTOL WITH 5 INCH BARREL

    Walther PDP Compact 9mm Optic Ready Striker-Fired Pistol with 5 Inch Barrel
    $649.00 $449.99

  • RUGER EC9S 9MM GRAY FRAME BLACK SLIDE 3.12 IN BBL

    Ruger EC9s 9mm Carry Conceal Pistol with Gray Frame
    $369.00 $219.99

  • SPRINGFIELD ECHELON 9MM PISTOL GEAR-UP PACKAGE

    Springfield Echelon 9mm Optic-Ready Gear Up Package with 5 Magazines, Range Bag and Crimson Trace Red Dot
    $700.00 $579.99

  • SPRINGFIELD HELLCAT PRO COMPACT OSP 9 MM 3.8 IN BARREL 3-15 RD AND 2-17 RD MAGS

    Springfield Hellcat Pro OSP 9mm Semi-Auto Pistol Gear-Up Package with Five Magazines and Crimson Trace Red Dot
    $569.99

  • CCI 9mm 115 gr FMJ-RN Blazer Brass 50/Box

    CCI 9mm 115 gr FMJ-RN Blazer Brass 50/Box
    $24.99 $10.98
    ($0.22 / round)

  • CCI 9mm 124 gr FMJ Blazer Brass 50/Box

    CCI 9mm 124 gr FMJ Blazer Brass 50/Box
    $25.99 $10.99
    ($0.22 / round)

  • Wolf Ammo 9mm 115 gr FMJ Bimetal Steel Performance Ammunition 50/Box

    Wolf Ammo 9mm 115 gr FMJ Bimetal Steel Performance Ammunition 50/Box
    $8.99
    ($0.18 / round)

  • CCI 9mm Luger 100 gr FMJ Blazer Brass Reduced Recoil 50/Box

    CCI 9mm Luger 100 gr FMJ Blazer Brass Reduced Recoil 50/Box
    $23.99 $11.99
    ($0.24 / round)

  • Maxx Tech 9mm Luger 115 gr FMJ Brass Case Target Ammo 50/Box

    Maxx Tech 9mm Luger 115 gr FMJ Brass Case Target Ammo 50/Box
    $16.95 $11.99
    ($0.24 / round)

  • Federal 9mm Luger 115 gr FMJ American Eagle  50/Box

    Federal 9mm Luger 115 gr FMJ American Eagle 50/Box
    $24.99 $16.99
    ($0.34 / round)

  • Norma 9mm 158 gr TMJ Subsonic Rival Competition 50/Box

    Norma 9mm 158 gr TMJ Subsonic Rival Competition 50/Box
    $19.99
    ($0.40 / round)

  • Hornady 9mm 115 gr Critical Defense 25/Box

    Hornady 9mm 115 gr Critical Defense 25/Box
    $22.49
    ($0.90 / round)

  • Hornady 9mm Luger 100 gr FTX Critical Defense Lite 25/Box

    Hornady 9mm Luger 100 gr FTX Critical Defense Lite 25/Box
    $22.49
    ($0.90 / round)

  • Hornady 9mm 115gr FTX Critical Defense 100 Rounds in Ammo Can

    Hornady 9mm 115gr FTX Critical Defense 100 Rounds in Ammo Can
    $94.99
    ($0.95 / round)

  • Remington 9mm 115 Gr FMJ Range 50/Box

    Remington 9mm 115 Gr FMJ Range 50/Box
    $23.99 $14.99
    ($0.30 / round)

  • Hornady 9mm Luger +P 124 gr XTP American Gunner 25/Box

    Hornady 9mm Luger +P 124 gr XTP American Gunner 25/Box
    $22.17 $18.99
    ($0.76 / round)

Product Description

What's in the Box

  • FNH FN-509M 9mm Pistol
  • (2) 15-Round Magazine
  • Black FN Soft Case
  • Cable Lock
  • Owner's Manual

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.

Firearm Specifications

  • Manufacturer: FN
  • Model: FN509 Midsize
  • Caliber: 9mm Luger
  • Barrel Length: 4"
  • Overall Length: 7.4"
  • Twist Rate: 1:10" RH
  • Trigger Pull: 5.5-7.5 lb.
  • Sight Radius: 5.79"
  • Weight: 26.5 oz.
  • Magazine Capacity: 15 Rounds
  • Sights: Fixed 3-Dot

Customer Comments & Questions

Customer Reviews

(5 out of 5) Fantastic Accuracy
by Whisky Pete from Try and Find Me, TX on January 6, 2023

After a few hundred rounds I thought Id write this review. Mostly 115gr Brass I get great groups at 20 yards. All my FNH products seem to shoot straight out of the box.