Below are optics Adapter Plates for the FN 509, 510, and 545. These adapter plates allow you to mount various Red Dot or Green Dot Sights to your FN 509, 510, and 545 Optics Ready model.

To learn more about each adapter plate or optics read our FN 509/510/545 Holosun Optics Fitment Guide Here.

For any other questions reach out to us.