OP- If you're considering a magnum, here is a good one for sale from a member. Looks like he's already done some value-added upgrades and the 300WSM is pretty popular.
@Mikido
https://rokslide.com/forums/threads/sako-a7-300wsm-w-swfa-apa-the-answer.371163/#post-3778422
@Mikido
https://rokslide.com/forums/threads/sako-a7-300wsm-w-swfa-apa-the-answer.371163/#post-3778422