Whitworth's suggestion is a good one. I have to admit that I'm surprised that you are having so much trouble with optics! The 2X Burris that now resides on this .475 Linebaugh was previously mounted on my .500 S&W and has withstood hundreds of rounds.

My .500 now wears a 2X Leupold and I've sent a couple hundred rounds downrange with it so far without issue.

Good luck getting it all sorted out!