I also have a CZ550 in .416 Rigby, and have made many happy memories with it. Although I like it, it was the best I could afford at the time, and it isn't without some faults. I'm about to send it away to get it worked-on by Alex Beer to make it really sweet. So, although I am very happy with mine and am about to have it made even better, if I am honest I must admit that if money had've permitted at the time, I would've preferred to buy the Ruger.