--- title: "FN America 509 Tactical 9mm Black Pistol" description: "Black 9mm pistol with a 4.50\" threaded barrel, suppressor-height 3-dot night sights, MRD optic mounting system, interchangeable backstraps, and 10rd magazines." canonical_url: "https://www.kygunco.com/product/fnh-usa-66-100527-509-tactical-9mm-4.25-tb-10rd-black" meta: author: KYGUNCO "og:description": "Black 9mm pistol with a 4.50\" threaded barrel, suppressor-height 3-dot night sights, MRD optic mounting system, interchangeable backstraps, and 10rd magazines." "og:image": "https://cdn.kygunco.com/assets/products/139397/thumbnail.jpg?v=1713453643" "og:image:height": "500" "og:image:width": "500" "og:title": "FN America 509 Tactical 9mm Black Pistol" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Handguns](https://www.kygunco.com/category/shooting/guns/handguns) / [Semi-Auto](https://www.kygunco.com/category/shooting/guns/handguns/semi-auto) / FNM-66-100527 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/139397/main.jpg?v=1713453643) For illustration purposes only, this image may not be an exact representation of the product. # FN AMERICA 509 Tactical 9mm 4.25" 10rd Optic Ready Pistol w/ Threaded Barrel & Night Sights The FN 509 Tactical is a black 9mm pistol with an optics-ready slide, suppressor-height 3-dot night sights, and a threaded barrel with an integrated O-ring thread cap. It has a polymer frame, textured interchangeable backstraps, no manual safety, and a 10+1 capacity. The pistol includes three 10-round magazines and an FN soft pistol case. See Price In Cart ** 5 interest-free payments of **$148.46** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$132.52**/month with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** Ships To FFL Dealer Fulfilled by a partner warehouse. ** Partner Fulfilled ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Almost gone. Order now before it sells out. Item # 139397 Style FNM-66-100527 UPC 845737010195 Condition New Manufacturer [FN America](https://www.kygunco.com/brand/fn-america) Model FN 509 Hand Right Hand Finish Black Round Capacity 10 Caliber 9mm Action Semi-Auto Barrel Length 4.5 in The FN 509 Tactical, an extension of the FN 509 family, is based on FN's submission pistol that the U.S. Army tested for its Modular Handgun Trials, but includes the significant improvements to the design that were implemented in the FN 509. The pistol features a patent-pending Low-Profile Optics Mounting System that enables the platform to accept miniature red dot (MRD) optics that co-witness with the suppressor-height night sights. The slide cap has raised sight wings that protect iron sight alignment if the pistol is dropped or jostled, and provides a textured ramp for racking the slide against a belt loop, pant pocket or boot. An FN-signature 4.5-inch, cold hammer-forged, stainless-steel barrel with target crown, 1/2" x 28 threads that accept the bulk of 9mm suppressors available and thread cap with integrated O-ring to prevent loosening during use complete the top end. The 509 Tactical ships with two interchangeable backstraps and FN logo soft pistol case. This model has a black finish and comes with three 10-round magazines. - Type: Pistol - Action: DAO - Caliber: 9mm Luger - Barrel Length: 4.50" - Capacity: 10+1 - Safety: No Manual - Grips: Textured Black Interchangeable Backstraps - Sight Configuration: 3-Dot Night, Suppressor Height - Weight: 27.90 oz - Frame Finish: Matte Black - Frame Material: Polymer - Barrel Type: Threaded - Slide Description: Black Steel - Sight Style: Night - Barrel Length Range: 4.00" to 4.99" ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). ## Frequently Bought Together 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Don't Forget Your Ammo ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/fnh-usa-66-100527-509-tactical-9mm-4.25-tb-10rd-black#webpage","@type":"WebPage","description":"Black 9mm pistol with a 4.50\" threaded barrel, suppressor-height 3-dot night sights, MRD optic mounting system, interchangeable backstraps, and 10rd magazines.","name":"FN America 509 Tactical 9mm Black 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