Holosun 509 Adapter Plate for HS507C Footprint
The Holosun 509 Adapter Plate was designed with HS507C footprint. This allows you to easily install your HS509 reflex sight to handguns and mounts that feature an HS507C/RMR pattern.
Holosun 509 Adapter Plate Features
Compatible with HS507C & RMR mounting pattern
For Holosun 509 Reflex Sights
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