I reached out to the Holosun company in regard to these sights, this was the response I received
"Thank you for contacting us.
These models were first shown at SHOT 2015 as pre-production prototypes. These have been referred to as open frame or heads up display (HUD) The expectation at that time was a release date some time in 2015. Due to the success of the product line as a whole, the factory and its R&D group of been fully utilized with micro form factor models.
The HUD models will again be shown at SHOT Show 2016. I am hoping for a release date in mid 2016.
At that time we will make a decision if there is a market demand for them in Canada.
James Cook
holosun.ca"