Reliable 9mm performance for home defense

When you evaluate duty-style pistols for personal or home defense, consistency, ergonomics, and sighting options are critical. Tactical users and responsible homeowners want a full-size platform that balances control and capacity without sacrificing accuracy under stress.

FN 509 MRD

The FN 509 MRD is a full-size 9mm pistol built around FN’s patented Low Profile Optics Mounting System. It ships ready for a red dot—Holosun 407C is included—so you can transition from iron sight practice to fast, accurate dot acquisition for defensive scenarios. Shop this product and see current specs and purchase options; clicking the link takes you to our shop page where you can complete the purchase with the retailer.

Design and optics integration

The Low Profile Optics Mounting System is a standout on this platform—factory-cut and supported with four MRD mounting plates so you can choose the footprint that matches your optic. Including the Holosun 407C gives a reliable mini-red dot solution straight from the box, saving time and cost for a shooter who wants optics-ready capability out of the carrier.

Barrel, accuracy, and durability

The 4.50″ cold hammer-forged barrel features FN’s recessed target crown to protect rifling and maintain accuracy over a long service life. Cold hammer forging produces a durable bore that resists wear, and the recessed crown helps preserve point of impact as rounds accumulate on the barrel.

Ergonomics, control, and kit contents

Slide and frame texturing balance a secure purchase with reduced perceived recoil, and the kit includes two 17-round magazines for high-capacity readiness. Three interchangeable backstraps allow custom fit, and the package includes a soft case with the FN logo, four MRD mounting plates, an owners manual, and a gun lock—everything to get you safely on the range and configured for carry or home defense. The manufacturer FN is well known for duty-grade manufacturing and practical feature sets that translate to real-world reliability.

At a listed price of $711.99, the FN 509 MRD delivers optics-ready capability and a full-size service pistol platform with quality components and useful accessories. View product details and pricing on our shop page to confirm availability and see the full product listing; the shop page will route you to the retailer to complete your purchase.

For shooters who prioritize a full-size, optics-ready 9mm with a proven mounting system and a rugged barrel, the FN 509 MRD is a strong candidate. Check current availability and complete your purchase via the shop page, where you can access the retailer checkout and confirm shipping options.

People Also Ask

What makes this product stand out from competitors?

This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.

Is this product suitable for beginners?

Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.

What warranty or support is available?

The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.

How does this compare to similar products in its price range?

This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.

What maintenance is required?

Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.