The Holosun HE509-RD Enclosed Solar Powered Red Dot Reflex Sight uses a proprietary footprint. Inside the box, the 509RD includes an adapter plate that will convert RMR cut slides to accept this optic.
Both shake awake and power controls
The Holosun HE509-RD Enclosed Solar Powered Red Dot Reflex Sight will be compatible with a CZ Shadow 2. If you have an optic ready version, you will need to contact CZ directly and purchase their Shadow 2 RMR adapter plate. Once installed, you will use the adapter plate included with this optic to then mount the optic itself. If you do not have an optic ready Shadow 2, you will need to purchase and install the Evolution Gun Works Trijicon RMR Sight Mount (linked below), then install the adapter plate included with this optic, to then mount to optic itself.
https://www.opticsplanet.com/evolution-gun-works-trijicon-rmr-sight-mount-1-780-in-aluminum.html
The Holosun HE509-RD Enclosed Solar Powered Red Dot Reflex Sight is compatible with the FNX-45 Tactical. You will need to use the RMR adapter plate included with your FN pistol, and install it to your slide. You will then need to install the RMR adapter plate included with this optic, you will then be able to install the optic.
The Holosun HE509-RD Enclosed Solar Powered Red Dot Reflex Sight uses an RMR adapter plate to fit pistols with an RMR slide cut. The M17 uses a Deltapoint Pro slide cut and would not be compatible. You could potentially use a Deltapoint Pro to RMR adapter plate, but then that would mean you have to stack 2 separate adapters in order to mount the optic which would result in the optic sitting much higher than intended.
The Holosun HE509-RD Enclosed Solar Powered Red Dot Reflex Sight is designed to fit pistols with an RMR cut slide. If you do not have an MOS model Glock, you would need to purchase and install the Evolution Gun Works Trijicon RMR Sight Mount (linked below). You would then use the included RMR adapter plate with the optic to mount to the EGW plate, which will then allow you to install this optic.
https://www.opticsplanet.com/evolution-gun-works-trijicon-rmr-sight-mount-1-780-in-aluminum.html
The Holosun HE509-RD Enclosed Solar Powered Red Dot Reflex Sight can be mounted to a picatinny rail. However, it would need to use a proprietary mount specifically designed for the 509T, or an RMR picatinny mount and use the RMR adapter plate included with the optic to mount the optic.
The Holosun HE509-RD Enclosed Solar Powered Red Dot Reflex Sight will be compatible with a P320 XTEN. Since the XTEN uses a dual cut slide for the Deltapoint and RMR footprint, the RMR adapter plate included with this optic would mount to your slide and would then allow you to install the optic to that plate.
To mount the Holosun HE509-RD Enclosed Solar Powered Red Dot Reflex Sight to your Beretta APX, you will need to purchase and install the Beretta Optics Mount for Rmr Sight on Apx Series, which can be found linked below. Once you install that plate, you will use the RMR adapter included with the optic.
https://www.opticsplanet.com/beretta-optics-mount-for-rmr-sight-on-apx-series.html
Yes, the Holosun Exclusive Holosun 509 Red Dot Reflex Sight will be compatible with your Canik SFx Rival. You will need to mount RMR adapter plate included with your Canik in order to install this optic.