No load advice here either, as I am not a reloader.
However, great magnum cartridges, and rifles !!!
http://www.weatherby.com/products/ri...stom-shop.html
Nosler is kinda like a modern Weatherby (with cartridges & rifles as well).
https://www.nosler.com/nosler-rifles/
I think you did good with your optics also.
Which bases and rings did you go with ?