That's a pretty underwhelming shot there, in my opinion. Neither the "turret" nor the "gun" have any mechanical details that would suggest they can actually rotate. The skin is remarkably bad for a professional title- if you look at the turret where it joins the body, they didn't even blend the two areas at all. And the background terrain looks like a random heightmap with a few blobs and a random shader, with another render being used for the far background. Even the lightsources don't match very well
And the greebles on this thing are just kind've random- the don't have a sense of clear mechanical purpose, and they're not well-integrated with the rest of the skin.
By modern standards, this is not a terrific model. You wanna see terrific models and rendering technique...
somewhere like this... That is what high skill looks like
