Just Gold brother
The Holosun HE512C red dot version is currently not available.
Yes, the Holosun HE512C-GD Circle Dot Reflex Sight will mount to the flattop picatinny rail on your CX4 Storm.
While the Holosun HE512C-GD Circle Dot Reflex Sight does feature an Enclosed emitter, it is not an EPS model offered by Holosun. Both the EPS and EPS carry can be found by using the link below:
https://www.opticsplanet.com/holosun-eps-enclosed-pistol-sight.html
https://www.opticsplanet.com/holosun-eps-carry-enclosed-pistol-sight.html
Yes, the Holosun HE512C-GD Circle Dot Reflex Sight features Holosun's Shake Awake technology as well as their solar failsafe allowing for 50,000 hours of battery life.
There is not a killflash available for the Holosun HE512C-GD Circle Dot Reflex Sight.
The Holosun HE512C-GD Circle Dot Reflex Sight does have the solar failsafe feature. It comes with the solar panels.
Yes, the Holosun HE512C-GD Circle Dot Reflex Sight is night vision compatible. The Holosun HE512C-GD Circle Dot Reflex Sight has 2 night vision settings.
There are not glass flip up covers available for the Holosun HE512C-GD Circle Dot Reflex Sight.
This model has a Gold Dot and the regular HS512C has a red dot.