On the assumption that this is not a sentimental piece that you want to be able to breathe new life into,,,,,
Why not, now,,,,, while it's still shooting pretty good,,,,,, advertise it and sell it.
Being a Sako, they aren't hard to find a buyer,,,,,,,,,,, and what you get for it, put towards a brand new one.
Then you can have a night cap, and dream happy dreams without worrying.
All the talk thus far about $$$ for barrel blank ,,, $$$ for gunsmith,, etc etc,,,,,,, Surely (pardon the pun) biting the bullet and going new would be
the best option of the lot ?