After quite a bit of collection I have come to a conclusion 450 Rigby to be the best choice
IT is a stoping rifle. Bullets are available in various weights up to 550 grn's. Yes 505G , 500J, or 550 magnum is good choice as well behind 577. 600. 700 which are more expensive.
I just got my left eye done last week. The multifocal lesce was 3k.. i can read small letters and see clearly with no glasses with the left eye.
Right eue is next month. Good luck with your procedure
Thank you RB. All my WBY's have muzzle breaks. Also some of my 458 lott, 416 Rigby, 505 gibbs,500 jeffery, and 550 magnum. I have shot them with and with out breaks. How ever I don't have one magna ported. That is why I asked the question..