caveat to the above, when i talk about action length i am also meaning standard magazine lengths with it at the same time
you can make .260 rems and others do what the creedmoor does but modifications necessary from custom work, re-barrel, reloading etc.
the creedmoor does it all right out of the gate, was designed to do so from the beginning, so was the grendel, and so is the prc
to the OP, great choice in cartridge! some great rifles choices in that price range, and there will always be plenty of factory ammo for it for many generations i'm sure