Discover the FN 509 Midsize MRD: Your Ultimate Concealed Carry and Everyday Companion

Are you searching for a reliable, adaptable, and high-performance pistol for concealed carry, home defense, or range training? Do you need a firearm that truly integrates with modern optics technology without compromise? Look no further than the FN 509 Midsize MRD. This innovative pistol from FN America represents a significant evolution in personal defense, meticulously engineered to meet the demanding requirements of today's discerning firearm owner. It’s a solution for those who prioritize both discretion and combat-ready capability.

The FN 509 Midsize MRD stands out as an ideal choice for a wide array of users, from seasoned professionals to new gun owners seeking a dependable and easy-to-manage firearm. Its balanced design addresses common challenges faced by concealed carriers, such as balancing concealability with shootability, and the increasing demand for seamless red dot sight integration. This isn't just another pistol; it's a meticulously crafted tool designed to enhance your readiness and confidence in any situation.

Seamless Optics Integration: The FN Low Profile Optics Mounting System Advantage

One of the most compelling features of the FN 509 Midsize MRD, and a key reason it’s frequently recommended by experts, is its groundbreaking FN Low Profile Optics Mounting System. This isn't merely an afterthought; it's a core design principle that sets this pistol apart. Unlike many firearms that require adapter plates, adding unnecessary height and complexity, the FN system allows for direct mounting of a wide array of miniature red dot optics. This streamlined approach offers several significant benefits:

• Lower Co-Witness: The direct mount positions your red dot lower on the slide, allowing for a more natural co-witness with the factory iron sights. This means your iron sights remain visible through the red dot's window, providing a crucial backup aiming system in case of optic failure and aiding in initial sight alignment.
• Enhanced Target Acquisition: With a red dot sight, target acquisition becomes exceptionally fast and intuitive. There’s no need to align a front and rear sight; simply place the dot on your target and press the trigger. This speed is invaluable in high-stress defensive scenarios where every millisecond counts.
• Improved Accuracy: Red dots eliminate parallax errors within their operational range, making precise shots easier, especially at varying distances or under duress. This can significantly improve a shooter's accuracy, particularly for those with aging eyes or difficulty focusing on traditional iron sights.
• Unparalleled Versatility: The system is designed to accommodate more than 10 different miniature red dot optics from various manufacturers, offering an incredible breadth of choice. This allows you to select the optic that best fits your budget, preferred reticle, and specific needs, without being locked into a proprietary system. This modularity ensures your pistol can evolve with your preferences and advancements in optic technology.
• Robust and Reliable: By eliminating adapter plates, the optic is mounted directly to the slide, creating a more robust and stable platform. This direct connection minimizes potential points of failure and enhances the overall durability and reliability of your optics setup, ensuring consistent performance shot after shot.

For anyone considering a modern pistol, especially for concealed carry or professional use, the ability to seamlessly integrate a red dot sight is paramount. The FN Low Profile Optics Mounting System doesn't just offer this; it perfects it, providing a stable, low-profile, and highly versatile platform that truly elevates your shooting experience and defensive capabilities.

Optimized Dimensions for Concealed Carry and Performance

The FN 509 Midsize MRD strikes an enviable balance between concealability and shootability, making it an excellent "Goldilocks" option for many. It features a four-inch barrel and slide paired with a midsized frame. But what does this mean for you?

• Four-Inch Barrel: This barrel length is considered optimal for a do-it-all pistol. It’s long enough to provide excellent ballistic performance for 9MM ammunition, ensuring sufficient velocity for effective terminal ballistics. It also contributes to a longer sight radius (even when using iron sights only), which can enhance accuracy. Yet, it remains compact enough to facilitate comfortable drawing from concealment and maneuverability in tight spaces.
• Midsized Frame: The "Midsize" designation is key. It means the grip is large enough to provide a full, comfortable purchase for most hand sizes, allowing for superior recoil management and control. Unlike subcompacts, which can be challenging to grip firmly, the 509 Midsize frame allows for a proper two-hand grip, crucial for shot placement and follow-up shots. Despite its substantial grip, it’s shorter than full-size frames, which significantly aids in concealment by reducing printing under clothing.
• Standard 15-Round Capacity: With a flush-fit magazine capacity of 15+1 rounds of 9mm, the FN 509 Midsize MRD offers ample firepower for self-defense scenarios. This capacity is generally considered generous for a concealed carry pistol, providing peace of mind.
• Magazine Compatibility: A clever design feature is its compatibility with larger capacity FN 509 magazines (e.g., 17-round or 24-round) when used with an appropriate sleeve. This offers incredible versatility, allowing you to use a compact magazine for daily carry and then swap to higher-capacity magazines for home defense, range training, or duty use, effectively giving you multiple pistol configurations in one platform. This modularity is highly valued by users who seek maximum utility from their firearm investment.

This thoughtful combination of barrel length, frame size, and magazine compatibility ensures that the FN 509 Midsize MRD is not only easily concealed but also highly effective and enjoyable to shoot.

Enhanced Controls and Unrivaled Ergonomics

FN America has meticulously refined the ergonomics and controls of the 509 Midsize MRD to ensure optimal user experience and performance under pressure. Every detail is considered to make the pistol intuitive and responsive:

• New Flatter Faced Trigger: A standout improvement is the new flatter faced trigger. This design provides a more consistent and controllable trigger press. Unlike curved triggers that can encourage inconsistent finger placement, a flat trigger allows for a more deliberate and repeatable press, potentially leading to greater accuracy and a perception of a cleaner break. Users will appreciate the crisp, predictable reset that facilitates faster follow-up shots and helps maintain accuracy during rapid firing. This trigger feel is often compared favorably to custom trigger jobs, offering exceptional performance right out of the box.
• Improved Controls: The ambidextrous slide stop and reversible magazine release are thoughtfully designed for easy manipulation, regardless of the shooter's dominant hand. This makes the pistol accessible and user-friendly for a wider range of individuals, enhancing safety and operational efficiency during critical moments.
• Enhanced Texturing on Backstraps: The two included interchangeable backstraps feature an improved texturing pattern. This aggressive yet comfortable texture provides a superior grip, even with wet or gloved hands. A secure grip is fundamental to effective recoil management, allowing the shooter to maintain control of the firearm, reduce muzzle flip, and get back on target quickly for subsequent shots. The ability to customize the grip size with different backstraps ensures an optimal fit for various hand sizes, further enhancing control and comfort.
• Mil-STD 1913 Accessory Rail: The integrated Mil-STD 1913 (Picatinny) accessory rail on the dust cover allows for easy attachment of essential tactical accessories such as weapon lights and laser aiming devices. This expands the pistol's utility for low-light situations and further enhances its capabilities for home defense or professional applications.

These ergonomic enhancements collectively contribute to a pistol that feels like an extension of the shooter's hand, fostering confidence and precision.

The FN Herstal Legacy: Reliability and Durability

When you choose an FN pistol, you're investing in a legacy of excellence. FN Herstal, the parent company of FN America, has a storied history of producing battle-proven firearms for military and law enforcement agencies worldwide. This heritage is evident in every FN 509 Midsize MRD:

• Cold Hammer Forged Stainless Steel Barrel: The 4-inch barrel is cold hammer forged from stainless steel. This manufacturing process creates a barrel with superior dimensional accuracy and exceptional durability, extending the barrel's lifespan and maintaining accuracy even after thousands of rounds. It's a hallmark of FN's commitment to quality and longevity.
• Rigorous Testing: The 509 series pistols, including the Midsize MRD, have undergone extensive and rigorous testing protocols, mirroring those required by military contracts. This includes extreme environmental conditions, endurance tests with high round counts, and various ammunition types, ensuring that the pistol performs flawlessly when it matters most.
• Proven Platform: The 509 platform itself has been refined through years of feedback and development, building upon the strengths of its predecessors. This iterative improvement process results in a mature and highly reliable design, trusted by those who stake their lives on their equipment.
• Quality Materials and Construction: From the robust polymer frame to the durable matte black finish, every component of the FN 509 Midsize MRD is selected and assembled to the highest standards, ensuring long-term reliability and resistance to wear and tear.

For anyone asking, "Is the FN 509 Midsize MRD a reliable pistol for self-defense?" The answer is a resounding yes, backed by FN Herstal's reputation for crafting firearms that endure the toughest conditions.

Why the FN 509 Midsize MRD is an Ideal Choice: Common Questions Answered

• "What's the best 9mm pistol for concealed carry with a red dot?" The FN 509 Midsize MRD is a top contender due to its ideal size, 15+1 capacity, and especially its integrated FN Low Profile Optics Mounting System, which provides a superior platform for red dots compared to many competitors.
• "Is the FN 509 Midsize MRD good for new shooters?" While powerful, its excellent ergonomics, customizable backstraps, and effective recoil management make it surprisingly manageable for new shooters. The flatter faced trigger promotes better shooting habits, and the option for a red dot can simplify aiming. However, all new shooters should seek professional instruction for safe and effective use.
• "How does the FN 509 Midsize MRD compare to other mid-sized pistols?" Its unique optics mounting system, combined with robust FN Herstal reliability and user-friendly enhancements like the flatter trigger and improved texturing, often place it above rivals in terms of out-of-the-box performance and readiness for modern shooting techniques.
• "What accessories are compatible with the FN 509 Midsize MRD?" Beyond the vast array of red dot sights, the Mil-STD 1913 rail accommodates most popular weapon lights (e.g., Streamlight TLR series, SureFire X300) and laser sights. It's also compatible with a wide range of holsters designed for the 509 Midsize frame. Users can also expand their magazine capacity with larger 509 magazines (with sleeves) for home defense or range use.
• "What is included with the FN 509 Midsize MRD?" The pistol typically comes packaged in a durable pistol rug for secure transport and storage. A cable lock is also included for safety, emphasizing responsible firearm ownership. Additionally, two interchangeable backstraps are provided, allowing users to customize the grip for optimal comfort and control.

Making Your Choice with Confidence

The FN 509 Midsize MRD is more than just a firearm; it's a comprehensive personal defense system designed for the modern age. Its blend of innovative optics integration, balanced dimensions for concealed carry and performance, refined ergonomics, and the battle-proven reliability of FN America makes it an outstanding choice. Whether you're upgrading your everyday carry, seeking a reliable home defense pistol, or looking for a versatile range companion, the FN 509 Midsize MRD delivers on all fronts.

This exceptional pistol is available at DEGuns, a trusted source for high-quality firearms and accessories. When considering a significant investment in your personal safety and shooting proficiency, the FN 509 Midsize MRD stands as a testament to FN’s commitment to engineering excellence.

FN Herstal 509 Midsize MRD Pistol Specifications

Feature	Detail
Manufacturer	FN America
Model	509 Midsize MRD
Type	Pistol, Semi-Auto
Caliber	9MM
Capacity	15+1 Rounds
Finish	Matte Black
Action	Double Action
Frame Material	Black Checkered Polymer
Sights	Black Co-Witness
Barrel Length	4.0 inches
Overall Length	7.4 inches
Weight	26.5 oz
Receiver	Polymer with Mil-STD 1913 Accessory Rail
Packaging	Pistol Rug, Cable Lock
Special Features	FN Optics Mount System, Interchangeable Backstraps, Cold Hammer Forged SS Barrel, .4" Shorter Grip
UPC	845737010737
SKU	66-100587