I hate to say it, but for deer, think about a 6.5 creedmoor. high quality affordable ammo that’s readily available seems like everywhere. Plenty of good rifle options on the market chambered 6.5. I personally favor the 260 and reload so don’t need to change. 308 is not a poor choice at all either though

I normally deer hunt with one of my 243 anymore, killed my buck at 250 yards this year using 95g nbt. Don’t see a need for much more personally