Ok, a reticle red/green-dot in an EOTech-shaped housing. It's certainly not holographic, but are any of the replicas?

not that I know of.. but some certainly are better than others..

some generate so much glare on the objective that you can't see through them

others leak so much light that you may as well be wearing a glow stick if you are using it low light.

otheres have no effective adjustment so they can't be zeroed.. and few will hold any zero.

so again.. it depends on if you are using it to fill out the "look" of your gun or if you actually intend to use the sight.

No, none of the replicas are "holographic". The real steel EOTechs use a LASER device to create their reticle, where as all the replicas use LEDs.

I'll add to the replica wagon:
Got a replica 552 from airsoftPark, and it works as well as a Tasco Red Dot for me
Now, we'll see if it will handle the GBBR next season (was used on AEG before, not in the future)