I have a Model 116 in 300 win mag with a factory detachable box magazine.

I am looking to get a new Boyds Thumbhole stock, however they do not sell this stock inletted for DBMs. I called and they said they don't offer it and that they had no info on whether it would be available in the near future.

I understand it is possible to inlet it myself or have a gunsmith do it but my question is:

If I get the components for an internal box type savage in the same caliber and everything and stuck that in the new stock, would my action which came with a DBM still function and feed correctly?

I tried calling savage customer service but keep getting a busy tone.