Very interesting thread. I wonder about:

1) In order to completely obliterate the original butt serial number would one have to grind off enough metal to the point that magna grips would be a little proud of the butt frame? I know it would be easy to sand down stocks to match, but would an unmolested pair of stocks show that the butt frame has been shortened a fraction?

2) I realize number stamps may be common, but every time I look at the photo of the numbers, to my eye they look like the factory font style. They are cleanly stamped, no over-stamping (like would happen if I did it!).

Curious to learn the resolution of this one. There is always something to learn here.

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Tony