I had none of the issues you are describing. Mine were a perfect fit with no additional/noticeable gap either.
Not sure if it means anything, but yours are not smoked. Given its an ebay item, who knows if there is a make difference or not due to that
However, like I said, the gap really is not much, nor is it technically a problem. If you don't like it, through some silicone on it, or simply something to back it so you don't see through the edges.