
FN 66100575 509 Compact MRD 9mm Luger 3.70" 10+1 Flat Dark Earth Flat Dark Earth Steel Slide Flat Dark Earth Interchangeable Backstrap Grip
$750.99
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The FN 509C MRD: Compact Power, Uncompromised Precision for the Modern Shooter
Discover the pinnacle of compact firearm engineering with the FN 509C MRD (Mini Red Dot), a pistol meticulously designed for those who demand full-size performance in a highly concealable and optics-ready package. In an evolving landscape where personal defense, tactical readiness, and competitive shooting require adaptable tools, the FN 509C MRD stands out as a versatile and exceptionally reliable choice. Whether you're a seasoned professional, a first-time concealed carry permit holder, or an enthusiast seeking advanced capabilities, this firearm offers an unparalleled blend of ergonomics, accuracy, and modularity.
Why Choose the FN 509C MRD? Addressing the Modern Shooter's Needs
The FN 509C MRD isn't just another compact pistol; it's a solution tailored to real-world challenges. Many shooters ask: "What is the best compact 9mm pistol for concealed carry that can also accept a red dot sight?" or "How can I achieve greater accuracy with a smaller firearm?" The FN 509C MRD directly answers these questions by integrating cutting-edge features that enhance control, aiming, and overall shooter confidence. It's built for those who value precision and adaptability above all else.
This pistol is ideal for:
- Concealed Carry (CCW) holders: Its compact dimensions make it highly discreet, while retaining a substantial capacity and the ability to integrate modern aiming solutions.
- Home Defense: Offering reliable performance, easy target acquisition with an optic, and robust construction for critical situations.
- Law Enforcement & Off-Duty Use: A dependable and optics-ready sidearm for backup or personal use, mirroring the reliability demanded by professionals.
- Competitive Shooters: The flat-faced trigger and optics readiness provide a significant edge in various pistol disciplines.
- Enthusiasts Seeking Versatility: For shooters who want a single platform capable of excelling in multiple roles, from range training to personal protection.
The core problem it solves is the historical trade-off between compact size and performance. Historically, compact pistols often meant compromises in capacity, shootability, or the ability to mount accessories. The FN 509C MRD shatters this paradigm, offering a robust 10+1 (and higher with extended magazines) capacity, exceptional ergonomics, and a seamlessly integrated optics mounting system, all within a compact footprint.
Precision Redefined: The FN Low-Profile Optics Mounting System
At the heart of the FN 509C MRD's advanced capabilities is its innovative Low-Profile Optics Mounting System. This feature is a game-changer for shooters looking to leverage the speed and accuracy benefits of red dot sights. Unlike many other optics-ready pistols that rely on universal plates that can elevate the optic significantly, FN's system is designed to place the optic as low as possible, closer to the bore axis. This provides several critical advantages:
- Improved Sight Picture: A lower-mounted optic allows for a more natural head position and quicker target acquisition.
- Enhanced Co-Witness: The system is designed to perfectly co-witness with the included black iron sights. This means your traditional iron sights align perfectly through the red dot's window, providing a crucial backup aiming solution if your optic fails or its battery dies. This level of redundancy is a significant trust-building feature for any defensive firearm.
- Broad Compatibility: The FN Low-Profile Optics Mounting System includes plate adapters for direct mounting of more than 10 popular red dot optics from leading manufacturers. This ensures that users are not locked into a specific brand or model, offering unparalleled flexibility to choose the best optic for their needs and preferences. Examples of compatible optics include those from Trijicon, Leupold, Vortex, and Holosun, among others.
This sophisticated mounting system is a testament to FN's commitment to delivering firearms that are ready for the demands of the 21st-century shooter, eliminating the need for aftermarket modifications and ensuring optimal performance right out of the box.
Ergonomics, Control, and Unmatched Durability
The FN 509C MRD is engineered for superior handling and longevity. Every aspect, from its robust construction to its thoughtful design, contributes to its reputation as a highly reliable and user-friendly firearm.
Optimized Ergonomics for Universal Comfort
- Interchangeable Backstraps: Understanding that hand sizes vary widely, FN includes two interchangeable backstraps. This allows users to customize the grip circumference and palm swell to achieve a perfect, secure, and comfortable hold, enhancing control and recoil management. A well-fitting grip is paramount for accuracy and consistent performance.
- Improved Texturing: The polymer frame features aggressive yet comfortable texturing on the grip surfaces. This ensures a positive purchase on the firearm, even in adverse conditions like rain, sweat, or when wearing gloves, significantly reducing the likelihood of slippage during rapid firing or tactical maneuvers.
Enhanced Controls for Intuitive Operation
- Flat-Faced Trigger: A key upgrade from earlier models, the flat-faced trigger offers a more consistent and predictable pull. Many competitive and tactical shooters prefer flat triggers because they allow for more consistent finger placement, promoting better control and reducing the tendency to pull shots off target. The trigger pull weight, typically between 5.50-7.70 lbs, provides a crisp break suitable for both defensive and range applications.
- Fully Ambidextrous Operation: Designed to accommodate all shooters, the FN 509C MRD boasts fully ambidextrous controls. This includes an ambidextrous slide stop and magazine release, making the pistol equally efficient for left-handed and right-handed operators. This feature is invaluable for training consistency and tactical flexibility.
- Front and Rear Cocking Serrations: The steel slide features aggressive serrations at both the front and rear. These serrations provide excellent grip for manipulating the slide, whether for chambering a round, performing a press check, or clearing a malfunction, even under stress or with wet hands.
- MIL-STD-1913 Accessory Rail: Located on the polymer frame, the robust Picatinny rail allows for quick and secure attachment of a wide array of accessories, such as tactical lights and laser aiming devices. This expands the pistol's utility, making it adaptable for low-light conditions or enhanced target acquisition.
Built to Last: Premium Materials and Construction
- Steel Barrel with Recessed Target Crown: The 3.70" barrel is crafted from durable steel and features a black finish. A recessed target crown protects the rifling from damage, preserving the barrel's inherent accuracy over its lifespan. The 1:10" RH twist rate is optimized for stabilizing a wide range of 9mm Luger bullet weights, ensuring consistent precision.
- Flat Dark Earth PVD Optic Ready/Serrated Steel Slide: The slide is constructed from robust steel and finished with a Flat Dark Earth (FDE) PVD (Physical Vapor Deposition) coating. PVD is a highly durable, corrosion-resistant, and aesthetically pleasing finish that can withstand harsh environments and rigorous use, ensuring the pistol's longevity and reliable function.
- Polymer Frame: The lightweight yet incredibly strong polymer frame contributes to the pistol's overall durability and ease of carry. Polymer frames are also excellent at absorbing recoil, enhancing shooter comfort.
The Complete Package: Ready for Action
The FN 509C MRD provides exceptional value by including essential accessories that ensure you're ready to hit the range or carry with confidence right away. Each pistol comes with:
- Two Magazines: Typically one 10-round compact magazine and one extended magazine (often 15-round, but can vary by specific model and jurisdiction) for increased capacity, offering flexibility for different applications.
- Locking Device: For safe storage and compliance.
- Owner's Manual: Comprehensive guide to operation, maintenance, and safety.
- Soft Pistol Case: A convenient way to transport and store your firearm.
This comprehensive package underscores FN's dedication to providing a complete solution for its customers, eliminating the need for immediate additional purchases beyond ammunition.
Specifications at a Glance: FN 509C MRD 9mm Luger
The FN 509C MRD, UPC 845737010928, brings together a suite of features that makes it a top contender in the compact pistol market. Its ability to pack a "full-size punch in a compact, optics-ready package" is not just marketing; it's a design philosophy that permeates every component of this firearm. From the robust PVD-finished slide to the precision-engineered barrel and the user-configurable grip, every detail is optimized for performance, reliability, and shooter satisfaction.
Whether you're exploring options for personal defense, seeking a highly capable range companion, or upgrading your tactical gear, the FN 509C MRD represents a smart, forward-thinking investment. Its reputation for durability, combined with the modularity of its optics system and ergonomic enhancements, positions it as an outstanding choice for discerning shooters. Explore the FN 509C MRD and other premium firearms available at DEGuns, your trusted source for high-quality shooting equipment.
Technical Specifications: FN 509C MRD 9mm Luger
| Feature | Specification |
|---|---|
| Brand | FN |
| Model/Series | 509C MRD |
| Caliber | 9mm Luger |
| Capacity | 10+1 (standard), up to 15 (extended magazine) |
| Action | DAO (Double Action Only) |
| Barrel Length | 3.70 inches |
| Overall Length | 6.80 inches |
| Height | 5.20 inches |
| Width | 1.35 inches |
| Weight | 25.50 ounces (unloaded) |
| Barrel Material | Steel |
| Barrel Finish | Black |
| Barrel Features | Recessed Target Crown |
| Twist Rate | 1:10" RH |
| Slide Material | Steel |
| Slide Finish | Flat Dark Earth PVD |
| Slide Features | Optic Ready / Serrated (Front & Rear) |
| Frame Material | Polymer |
| Frame Finish | Flat Dark Earth |
| Frame Features | Picatinny Rail (MIL-STD-1913) |
| Grips | FDE Textured w/ Interchangeable Backstrap |
| Trigger Type | Flat Face |
| Trigger Pull | 5.50-7.70 lbs |
| Sights | Black Co-Witness Iron Sights |
| Hand Orientation | Ambidextrous |
| Frame Size | Compact |
| Safety | No (internal safety mechanisms) |
| Includes | 2 Magazines, Owners Manual, Locking Device, Soft Case |
| SKU/MPN | 66100575 |
| UPC | 845737010928 |
Specifications
Explore the specific details and characteristics
- CATEGORY
- PISTOLS
- BRAND
- FN
- MODEL
- 509C
- ACTION
- DAO
- BARREL LENGTH
- 3.70"
- CAPACITY
- 10+1
- SAFETY
- NO
- GRIPS
- FDE INTERCHANGEABLE BACKSTRAP
- SIGHT CONFIGURATION
- IRON
- FRAME FINISH
- FLAT DARK EARTH
- SLIDE DESCRIPTION
- OPTIC READY/SERRATED
- SKU
- 66100575
- UPC
- 845737010928
- MPN
- 66100575







