FN 509®


The FN 509® is available for commercial, law enforcement, and military use. Its polymer frame, MIL-STD-1913 rail, and reliable performance make it an excellent choice for various applications. Whether you’re a seasoned shooter or a novice, the FN 509® delivers accuracy and confidence in every shot.

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Buy FN 509® Pistol Online

The FN 509® is a polymer-framed, striker-fired semi-automatic pistol manufactured by FN America, a division of FN Herstal. This exceptional handgun combines precision, reliability, and adaptability, making it a top choice for discerning shooters across various applications. The FN 509® is a 9mm pistol built on the proven architecture of the FNS™ Compact.

FN made changes internally and externally to meet the rigorous performance standards of the MHS requirements and further developed the platform into the FN 509® with the help of industry experts. Over the course of development, the platform has been extensively tested for reliability, ammunition compatibility, and durability, totaling more than one million rounds.

Key Features:

  1. Low-Profile Optics Mounting System (MRD): The FN 509 features FN’s patented MRD system, allowing seamless attachment of most commercially available miniature red dot optics. Whether you prefer a Trijicon RMR, Holosun, or another popular sight, the 509 accommodates them all. The co-witness front and rear sights ensure reliable backup aiming.
  2. Auto-Indexing Compensator: The built-in compensator significantly reduces muzzle flip, enhancing follow-up shots. Experience better control and faster target reacquisition during rapid fire.
  3. Full-Sized Grip and Interchangeable Backstraps: The 509 offers a secure hold with its full-sized grip housing 17-round magazines. The backstrap accepts interchangeable inserts, allowing customization for different hand sizes.


  • Caliber: 9mm
  • Operation: Double-action
  • Magazine Capacity: Available in 10 or 12/15 rounds
  • Weight: 25.5 oz.
  • Barrel Length: 4.0″
  • Overall Length: 7.4″
  • Twist Rate: 1:10″ RH
  • Height: 5.2″
  • Width: 1.35″
  • Trigger Pull: Adjustable from 4.5 to 6.7 lbs.
  • Sight Radius: 5.4″

Construction Details:

  • Slide: The polymer slide features serrations on both the front and back for easy manipulation. The stainless-steel barrel has a recessed target crown for accuracy.
  • Frame: Ambidextrous controls facilitate manipulation, while the grip texture ensures a secure hold.


Several variants of the FN 509 have been made available:

  • Tactical: 4.5-inch barrel length, 17- and 24-round magazines, threaded barrel, raised sights for suppressor use, and low-profile optics mounting system.
  • Midsize: 4.0-inch barrel length, 15-round magazines, intended for concealed carry.
  • Midsize MRD: Same as above, with a low-profile optics mounting system.
  • Compact MRD: 3.7-inch barrel length, 12- and 15-round magazines, with a low-profile optics mounting system.

FN 509 combines innovation, precision, and practicality, making it an exceptional choice for those who demand excellence in their firearm. Elevate your shooting experience with FN’s cutting-edge design!

!FN 509 For Sale



FN America

FN Scar For Sale - FN 509 Tactical For Sale

FN America, a subsidiary of the renowned FN Herstal, stands as a beacon of excellence in the world of firearms. With a storied history and an unwavering commitment to quality, FN America has earned its place as a global leader in the industry. FN is a global leader in the development and manufacturing of high-quality, reliable firearms for military, law enforcement, and commercial customers worldwide. FN offers some of the best semi-automatic rifles and pistols on the market, as well as individual firearm parts, accessories, and apparel. Dury Guns Shop carries several top FN products, including the Five-Seven, PS90, FN15, SCAR, and more. FN is passionately committed to providing dependable, innovative firearms of the highest quality to our customers who rely upon us to enhance their performance and safeguard their lives.

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