I would do it in this order:
Send GAP a donor M700 Stainless action with a McMillan stock and have them re-barrel and true the action.
If money were no object, but it always has been for me:
I would buy the NULA M28 in 7mm WSM or 300 WSM for a general all arounder.
The GAP would make a nice varmint or antelope rifle.