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Will this work for Holosun 509T? Will I need an aftermarket adapter? — 1 Answer

by Wyatt, from CA, United States Asked on October 19, 2021

Name OpticsPlanet Exclusive Fortis Manufacturing F1TM Optics Mount - Lower 1/3 (5)
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Answered by Ethan, Gear Expert, from IL, United States, on March 03, 2022

The OpticsPlanet Exclusive Fortis Manufacturing F1TM Optics Mount will not work for the Holosun 509T. You have 2 different options for the 509T. You can use the included RMR adaptor plate with your optic and use an RMR picatinny rail mount. Or you can get the mount from American Defense Manufacturing and Reptilia that directly mounts to the 509T. You can find that mount using the following link:
https://www.opticsplanet.com/reptilia-dot-mount-for-holosun-he509t.html
https://www.opticsplanet.com/american-defense-manufacturing-holosun-509t-qd-mount.html

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Last updated 2025-11-12 UTC.