If you mean the Eotech holoscopes, they are exactly the same as the Bushnell holoscope offerings. You may have better luck searching under this name.
I don't know what you mean by "long-range", but they probably work better for shorter-range rifle, shotgun and certain pistol applications.
These are meant for fast target aquisition in tactical situations. They are great for 50yard & less and will work fine up to 100 yards. I have two and they've never failed me yet.
