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FN 509 - 9mm - Used; Excellent Condition - Full-Size Tactical Pistol Guns International #: 103611396 Seller's Inventory #: AI106409LEE5726 Category: FN Pistols - 9mm Pistols Seller's Information When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com Seller: PortersPawn Company: Porter's Pawn Member Since: 11/20/25 State: Arkansas Zip: 72653 Country: United States Phone: (870) 424-7296 Platinum Seller Number of Active Listings: 88 Total Number of Listings: 264 Seller: FFL Dealer Return Policy: 3 day inspection and return policy on used guns. Factory New Premium Rifles Ship Free to Lower 48 States. Payment Types Accepted: Credit and Debit Cards, Cash (in person), Money Orders, Checks (Via ACH), About Us: For over 30 years, Porter's Firearms has been the trusted choice for shooters of all experience levels. We offer an extensive selection of both premium new rifles and quality used firearms, ensuring there's something for every hunter and budget. Our expert staff provides personalized service for custom builds, optics selection, and complete rifle systems. Take advantage of flexible layaway plans and free shipping on premium rifles to the lower 48 states. From your first scope to a premium rifle system setup, we're here to help you shoot with confidence. Description: FN 509 - 9mm - Used; Excellent Condition - Full-Size Tactical Pistol FN 509 – The Next Generation Tactical Striker-Fired Pistol For sale is an FN 509 striker-fired semi-automatic pistol, chambered in 9mm Luger. This pistol is in excellent used condition and represents FN's next-generation duty pistol – built on the architecture that competed in the U.S. military's MHS (Modular Handgun System) competition and was further refined with input from industry experts. The FN 509 features a 4.5-inch cold hammer-forged stainless steel barrel and a flat dark earth (FDE) polymer frame with interchangeable grip backstraps for a custom fit. It includes three-dot fixed sights (white outline rear, dot front), front and rear slide serrations for positive manipulation, and an accessory rail for lights or lasers. This package includes two magazines – one 17-round magazine and one extended 24-round magazine. Specifications Manufacturer: Fabrique Nationale Herstal, SA (FN) Model: FN 509 Caliber: 9mm Luger (9x19mm Parabellum) Action: Recoil Operated Semi-Automatic, Striker-Fired (Single-Action) Barrel Length: 4.5" (Cold Hammer-Forged Stainless Steel) Overall Length: 7.9" Height: 5.75" Width: 1.35" Weight (Empty): 27.9 oz Magazines Included: One (1) 17-Round Magazine + One (1) Extended 24-Round Magazine Frame: FDE (Flat Dark Earth) Polymer Grips: Integrated Polymer with Interchangeable Backstraps Sights: 3-Dot Fixed Sights (White Outline Rear, Dot Front) Safety: Glock-Style Trigger Safety (Passive Internal Safeties) Features: Front & Rear Slide Serrations, Interchangeable Backstraps, Accessory Rail Production: Began 2017 – Ongoing Condition: Used; Excellent What's Included – Two Magazine Package FN 509 Pistol One (1) 17-Round Magazine One (1) Extended 24-Round Magazine Interchangeable Grip Backstraps (Factory Set) 3-Dot Fixed Sights (Installed) FN 509 Features MHS Pedigree: Built on the architecture that competed in the U.S. military's MHS competition – refined for durability and reliability. Cold Hammer-Forged Barrel: FN's legendary cold hammer-forged stainless steel barrel for exceptional accuracy, longevity, and consistency. Interchangeable Backstraps: Customize grip size to fit your hand (3 sizes typically included). Front & Rear Slide Serrations: Aggressive serrations on both the front and rear of the slide for positive manipulation in any condition. Low-Profile 3-Dot Sights: White outline rear and dot front for fast, intuitive sight acquisition. Extended 24-Round Magazine Included: High-capacity magazine for extended range sessions or tactical applications. Accessory Rail: MIL-STD-1913 rail for mounting lights, lasers, and other accessories. Excellent Condition: Well-maintained, clean, and fully functional. Ideal For: Home defense, duty use, range training, and as a tactical pistol. Condition Details Overall: Excellent condition with minimal signs of use. Mechanical Function: Excellent – Striker-fired action is crisp, slide cycles smoothly, trigger is consistent. Bore: Clean with sharp cold hammer-forged rifling. FDE Polymer Frame: Clean with minimal handling marks; no cracks or damage. Slide & Barrel: Factory finish is in excellent condition with minimal wear. 3-Dot Sights: Clean and properly aligned. Magazines: Both 17-round and extended 24-round magazines are included and function properly. Backstraps: Interchangeable backstraps are included and in good condition. The FN 509 Legacy Proven Heritage: FN is one of the world's oldest and most respected firearms manufacturers, producing legendary firearms like the M249 SAW, M240, and SCAR. Military-Ready: The FN 509 was developed to meet the rigorous performance standards of the U.S. military's MHS competition. Modern Features: Combines a crisp trigger, interchangeable backstraps, front slide serrations, and an optics-ready architecture in later models. Excellent Condition: This well-maintained example includes both standard and extended magazines – a complete package for any shooter. All listings are available for purchase in-store; please place ato ensure this item is pulled from the showroom. See photos for details, and contact us if you have any questions! Price: $819.99 Handgun Caliber: 9x19mm Parabellum (9mm Luger, 9x19mm NATO) Manufacturer: FNH Model: FN 509 Serial Number: GKS0132257 Barrel Length: 4.5 Inches Bore: Excellent Condition Chambers: Excellent Condition Ejectors: Excellent Condition Condition: Excellent Metal Condition: Excellent Wood Condition: No Wood; Does Not Apply Bore Condition: Clean, Clear, Excellent Condition Barrels: 1 Barrel Type: Threaded Action: Striker Fired Single Action Semi-Automatic Triggers: 1