Holosun 509 Optic Adapter Plate for FNX-45 – Aircraft Aluminum Mount

Mount your Holosun 509 series optic directly to your FNX-45 with confidence using the Holosun 509 Adapter Plate for FNX-45. CNC machined from 6061 aircraft-grade aluminum and finished with a Type III Hard Anodize coating, this adapter plate is built to handle the punishing recoil of the FNX-45 while maintaining a rock-solid zero in virtually any tactical environment. Designed to meet the demands of law enforcement, military operators, and serious everyday shooters alike, this mount delivers precision fitment and long-term durability you can count on in the field or on the range. Whether you’re building out a duty pistol or optimizing your competition setup, this adapter provides a seamless and secure interface between your FNX-45 and your Holosun 509 optic. At just $39.99, it’s an affordable and reliable upgrade for any FNX-45 owner looking to run a red dot with confidence. Order online at Deep Roots Rifle Co for fast shipping nationwide, or stop by our gun store in Eustis, Florida, where our knowledgeable staff is ready to help you find exactly what you need.