As the guy above said, .308, 7mm-08, 280AI, 30-06 are all very dependable choices.
If not reloading, 308, 30-06, or *280AI if you can buy up enough ammo.
If reloading then your options open up tremendously.
https://coppercreekcartridgeco.com/product/280ai-175eh/
There are no flys on that load...