Standard long action with a .473 bolt face is your best option....ie; '06, .270. 25-06, ect.

Rebarreling any of the '06 based chamberings will get you there fine.

The easiest would be find a 280 Rem, have the barrel set back and punched AI, not a thing wrong with that plan if the tube is Good To Go.

The 7 Mag, 300 WM, ect, have a larger bolt face and you will need a new bolt.

I'd do a Remmy 700, but that's mostly just me.

The 280AI will kick azz.................