243 winchester would be my choice as well. Low recoil long range capability. They take care of deer and black bear no problem.
Not my choice for moose, but a very capable cartridge
https://www.ronspomeroutdoors.com/bl...243-winchester
https://www.outdoorlife.com/moose-gu...s-416-rem-mag/
https://www.outdoorlife.com/top-moos...s-and-bullets/