I would consider a 6.5 prc, if you’re thinking something along the line of a 270win. There is much more selection of good factory ammo consistently on the shelf, and you have the option of match ammo. 7prc, rem mag, or even a .30 cal. Lots of good options out there.
I love the 270. In standard...
-Ammo is readily available here. However you can ship ammo all day long up here via “Carlile my connect”
-I love the 270 and use it for all mentioned above. However if going to spend the coin to chop thread, stock ect, you could easily sell both rifles (or just one) and get a seekins, waypoint...
You might try Hawks gunsmithing in Anchorage. No personal experience but a friend had some work done and was happy.
Used Denali Arms, in Wasilla and would highly recommend. But he’s likely booked a few weeks out.