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FN 509 Red Dot Mount – No-Mill Optic Plates
FN 509 Red Dot Mount – Dovetail Optic Plates for No-Mill Installation
Looking to upgrade your FN 509 with a red dot sight—without the hassle of slide milling or permanent modifications?
Our dovetail red dot mounts and optic adapter plates offer a precision-fit solution for FN 509 owners who want a clean install, secure lockup, and zero-compromise performance. Whether you're using a standard FN 509, Tactical, Midsize, or Compact model, we provide red dot mounting options that are fast, durable, and gunsmith-free.
Why Choose a Dovetail Red Dot Mount for Your FN 509?
Our mounts are trusted by law enforcement, competition shooters, and EDC enthusiasts who demand top-tier performance without voiding warranties or modifying factory slides.
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✅ No Slide Milling Required – Installs directly into your rear sight dovetail
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🔩 Secure Fit – Engineered for rigidity and retention under recoil
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⚙️ Precision Machined – 6061-T6 aluminum or steel with hardcoat finish
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🔧 Hardware Included – Screws and tools come standard
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🔍 Optic Compatibility – Works with Trijicon RMR, Holosun 407C/507C, DPP, Viper, and more
Best FN 509 Red Dot Mounts – Our Top Picks
| Product | Compatible Optics | Price |
|---|---|---|
| EGW Dovetail Mount (Trijicon RMR / Holosun 507C) | RMR, 507C, 407C | $47.99 |
| EGW Sight Mount for Viper/Venom | Vortex Viper, Venom, Burris FastFire | $47.99 |
| C&H Precision Adapter Plate | FN 509 to RMRcc, Holosun 507K, EPS, DPP | From $67.99 |
| V4 MIL/LEO Mounts | Holosun 509T, Aimpoint ACRO, EOTech EFLX | From $74.99 |
All mounts are drop-in ready and install in minutes using basic tools.
Easy, No-Gunsmith Installation
Installing your FN 509 red dot mount is straightforward:
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Remove the factory rear sight
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Insert the dovetail adapter plate
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Align and mount your red dot optic
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Secure with included screws (use thread locker)
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Torque to 12–15 in-lbs and confirm zero at the range
No milling. No drama. Just performance.
Compatible FN Pistols
These mounts work with the following FN models:
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FN 509
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FN 509 Tactical
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FN 509 Compact
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FN 509 Midsize
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FN 509 LS Edge
Note: If you have an optic-ready model, choose a specific optic plate over a dovetail mount.
Why Buy Your FN 509 Mount from Mounts Plus?
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🛠️ Expert-Curated Inventory – Only the most reliable mounts from EGW and C&H Precision
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📦 Fast Shipping – We ship from the USA with care
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🧠 Decades of Experience – Precision mounting solutions since 1994
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🔄 30-Day Returns – Shop with confidence
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🎯 We Know Red Dots – Our team uses what we sell
Frequently Asked Questions (FAQ)
❓ Can I mount a red dot on my FN 509 without milling the slide?
Yes — our dovetail mounts allow you to install a red dot using the rear sight slot. No milling or slide cuts are required.
❓ Which optics are compatible with these FN 509 mounts?
We carry mounts for popular red dots including:
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Trijicon RMR / RMRcc
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Holosun 507C, 407C, 509T
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Leupold DPP
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Vortex Viper, Venom
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EOTech EFLX
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Aimpoint ACRO
❓ Are these mounts compatible with FN 509 Tactical?
Absolutely. Just ensure you're not using an optic-ready version — if you are, you’ll need an adapter plate for the optic cut instead.
❓ Will these mounts hold zero?
Yes. Our mounts are designed with tight tolerances and hard-anodized materials to maintain zero under recoil.
❓ What tools do I need for installation?
Most kits include screws and a Torx wrench. We recommend adding a thread locker and a torque driver for best results.
Final Thoughts
If you're serious about upgrading your FN 509 without sending it to a gunsmith, a dovetail red dot mount is the ideal solution. From home defense to competition, we’ve got the mounting platform you need — fast, clean, and built to last.