--- title: "FN America 509C Compact MRD 9mm Black Pistol" description: "Black FN 509 Compact MRD 9mm pistol with a 3.7\" barrel, optics-ready mounting system, ambidextrous controls, and 12rd and 15rd magazines." canonical_url: "https://www.kygunco.com/product/fnh-usa-66-100571-509c-compact-9mm-mrd-3.7-black-15rd" meta: author: KYGUNCO "og:description": "Black FN 509 Compact MRD 9mm pistol with a 3.7\" barrel, optics-ready mounting system, ambidextrous controls, and 12rd and 15rd magazines." "og:image": "https://cdn.kygunco.com/assets/products/145554/thumbnail.jpg?v=1713454153" "og:image:height": "500" "og:image:width": "500" "og:title": "FN America 509C Compact MRD 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-66-100571 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/145554/main.jpg?v=1713454153) For illustration purposes only, this image may not be an exact representation of the product. # FN AMERICA 509C Compact MRD 9mm 3.7" 15rd - Black The FN 509 Compact MRD is a black, striker-fired 9mm pistol with a 3.7" barrel and optics-ready Low-Profile Optics Mounting System. It features ambidextrous controls, interchangeable backstraps, a flatter-faced trigger, a MIL-STD-1913 rail, and includes one 12rd and one 15rd magazine. See Price In Cart ** 5 interest-free payments of **$140.20** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$125.14**/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 Handled by our expert shippers in Bardstown, KY. ** 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 # 145554 Style FNM-66-100571 UPC 845737010881 Condition New Manufacturer [FN America](https://www.kygunco.com/brand/fn-america) Model FN 509 Hand Right Hand Finish Black Round Capacity 15 Caliber 9mm Action Double Action Only Barrel Length 3.7 in With FN's patented Low-Profile Optics Mounting System and unparalleled modularity of the FN 509 platform, the FN 509 Compact MRD joins the ranks packing a full-size punch in a compact, optics-ready package. The pistol is 9mm and striker-fired with 3.7-inch barrel, standard 12+1 capacity and the capability to accept all higher capacity FN 509 magazines. The patented FN Low-Profile Optics Mounting System accepts nearly all commercially available miniature red dot optics and features blackout iron sights that co-witness. 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. #### FEATURES - External extractor; loaded chamber indicator - Interchangeable backstraps - MIL-STD-1913 accessory mounting rail - Improved flatter face trigger - Fully ambidextrous slide stop lever and magazine release - Comes with one 12-round and one 15-round magazine - Compatible with FN 509 17-round and 24-round - Includes FN logo soft pistol case #### **SPECIFICATIONS** - Brand: FN - Model: FN 509 Compact MRD - Caliber: 9mm - Operation: Double-action - Capacity: 15 - \# of Mags: One (1) 12rd & One (1) 15rd - Barrel Length: 3.7" - OAL: 6.8" - Frame Material: Black Polymer - Twist Rate: 1:10" RH - Width: 1.35" - Trigger Pull: 5.5 - 7.5 lb. - Sight Radius: 5.6" - Weight: 25.5 oz. ```json 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