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I would try swapping the barrel off the santa fe, onto the o3a3, and check headspace.
You may get lucky.
If the headspace is too deep, you can set the barrel back one full turn,and re chamber.
But...

To do just one, i use a set of v blocks, and clamp a parralell bar to the flat under the recoil lug, and set a machinists level, on it.
Turn barrel till level,and tighten vblock clamp.
Now you can...