So this barrel set back is normal and nothing to worry about? I confirmed the position of the hand guard, you can see wear marks from the two positions of the barrel. That had me a bit concerned which is why I wanted to get the barrel off, to make sure some bubba didn't do it. Looks like a slow restore it will be. With the clues you suggested I was able to find other references which explain the extra holes, they are from the sight being moved after the set back. I suspected that.

I'll probably leave the barrel alone then, no need to take it out I started cleaning the metal late today. It's in pretty decent condition, some light rust here and there but not the pitting type. The stock is going to be more challenging. Considering the possibility of laminating wood on both sides of the receiver area as they sanded those areas pretty flat. The screws stick out an 8th inch and they should be set into the wood. Would that be possible? Need a good color match.
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