# FN 509C MRD 9mm Compact - FDE, Optics Ready, Tactical Pistol **Brand:** FN Herstal **Category:** Compact Handguns **Caliber:** 9mm ## Specifications - **Caliber:** 9mm - **Barrel Length:** 4" - **Capacity:** 15 rounds - **Finish:** Blued - **Weight:** 25.5 oz - **Overall Length:** 7.4" - **UPC:** 845737017842 - **SKU:** UCEt9uKwc ## Description The FN 509 Compact MRD is a striker-fired 9mm pistol in Flat Dark Earth finish, built for concealed carry and optics-ready use. It runs a 4.02-inch cold hammer forged barrel, holds 12 rounds standard (15-round magazines available), and weighs 25.5 oz unloaded. Key Specifications - **Brand:** FN - **Model Name:** 509C - **Caliber:** 9MM Luger (9x19 Para) - **Action Type:** Double Action - **Barrel Length:** 4.02 inches - **Overall Length:** 7.4 inches - **Capacity:** 12 Rounds (15 Rounds available) - **Weight:** 1.6 lbs (25.5 oz) - **Finish:** Flat Dark Earth Detailed Features - **Striker-Fired System:** The consistent trigger pull helps with shot-to-shot repeatability. - **Cold Hammer Forged Barrel:** This production method produces a harder, more uniform bore that holds up to sustained use and keeps groups tight. - **Auto-Indexing Compensator:** Reduces muzzle rise during rapid fire, which speeds up follow-up shots. - **Optics Ready:** The included MRD kit accepts red dot sights directly, no milling required. The universal accessory rail on the frame accepts weapon lights and lasers. Target Audience The 509C works for daily carry users who want a compact 9mm with optics capability, and for competitive shooters who need a platform they can mount a dot on without additional gunsmithing. New shooters benefit from the manageable recoil; experienced users appreciate the optics integration. Usage Scenarios Home defense where the capacity and red dot option give a real advantage. Competitive shooting where precision matters. Everyday carry where the compact frame and lighter weight are practical assets. ## Frequently Asked Questions **Q: What caliber is the FN 509 MRD?** A: The FN 509 MRD is chambered in 9mm Luger. **Q: Who makes the FN 509 MRD?** A: It is made by FN Herstal (FN America). **Q: What type of firearm is the FN 509 MRD?** A: It is a compact striker-fired semi-automatic pistol in Flat Dark Earth finish. **Q: What is the barrel length of the FN 509 MRD?** A: The FN 509 MRD has a 4.02-inch cold hammer forged barrel. **Q: How many rounds does the FN 509 MRD hold?** A: It holds 12 rounds standard, with 15-round magazines also available. **Q: Is the FN 509 MRD optics-ready?** A: Yes. The MRD kit accepts red dot sights directly, with no milling required. **Q: Where can I buy the FN 509 MRD?** A: Compare current vendor offers on this page. ## What Reviewers Say *Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.* > Slide features front as well as rear slide serrations and they're very uh deeply cut as you can tell they're so very easy to grip and manipulate the handgun. > > — [GunBox Therapy](https://www.youtube.com/watch?v=Z5t9k_oQvLA&t=229s) > A lot of people don't like that because if you tend to you know not adjust your grip when releasing the magazine this will you know inadvertently hit your middle finger. > > — [GunBox Therapy](https://www.youtube.com/watch?v=Z5t9k_oQvLA&t=360s) ## What Customers Say *AI-generated insights from customer reviews* FN 509C MRD owners in FDE are generally enthusiastic, with recurring themes across discussions. Build quality is the most consistent praise point. The materials feel solid and the pistol runs reliably. Ergonomics get good marks: the grip fits well for most hands and the controls are positioned logically for comfortable extended use. Accuracy during range sessions and practical applications is frequently mentioned as a strong point, with the trigger pull described as clean and predictable. The optics-ready capability is a major selling point for many buyers. Mounting a red dot without modification is straightforward, and owners who shoot competitively find this particularly valuable. The compact size combined with full-size magazine capacity is a feature that owners mention repeatedly. It's a meaningful combination for both carry and home defense. Recoil management is solid according to most feedback. Aftermarket support for the 509 series is broad. Holsters, sights, and accessories are available without difficulty. Pricing discussions are present but most owners conclude the features justify the cost against comparable options. Reliability with quality ammunition is strong; malfunction reports are rare. The FDE finish attracts buyers who prefer it aesthetically and for practical reasons in outdoor environments. ## Pricing **9 offers available** | Vendor | Price | |--------|-------| | Classicfirearms Com | $824.57 | | Guns Com | $824.99 | | Buds Gun Shop | $833.99 | | Kygunco Com | $838.58 | | Gritrsports Com | $843.99 | | Grabagun Com | $889.99 | | Shootingsurplus Com | $899.00 | | Selwayarmory Com | $899.00 | | Palmettostatearmory Com | $899.99 | ## Similar Products - [FN 509C MRD FDE Compact 9mm, Optics-Ready, Ambi Controls, 15+1 Rds](https://gunsnation.com/p/fn-509c-mrd-fde-compact-9mm-optics-ready-ambi-controls-15-1-rds/UCEt9uJ8p) - [FN 509C Tactical - FDE, 9mm, Threaded Barrel, Optics Ready Compact](https://gunsnation.com/p/fn-509c-tactical-fde-9mm-threaded-barrel-optics-ready-compact/UCEt9uJay) - [FN 509 Midsize MRD: Versatile 9mm Optics-Ready Compact Pistol](https://gunsnation.com/p/fn-509-midsize-mrd-versatile-9mm-optics-ready-compact-pistol/UCEt9uJ61) - [FN Reflex MRD 9mm Micro-Compact Pistol, Optics Ready FDE](https://gunsnation.com/p/fn-reflex-mrd-9mm-micro-compact-pistol-optics-ready-fde/UCEt9uKX4) - [FN 509 Midsize MRD - FDE, Optics Ready 9mm Pistol](https://gunsnation.com/p/fn-509-midsize-mrd-fde-optics-ready-9mm-pistol/UCEt9uJJP) - [FN 509 Compact MRD - 9mm Striker-Fired Pistol, 15rd, Matte Black](https://gunsnation.com/p/fn-509-compact-mrd-9mm-striker-fired-pistol-15rd-matte-black/UCEt9uJ8L) --- *Data from [GunsNation](https://gunsnation.com)*