I have this 1934 Mexican Mauser that is a family heirloom of sorts that I inherited from my father. It was given to my father when he was 18 by his uncle. His uncle was a gunsmith of sorts and he sporterized the rifle and made the stock. When my father got the rifle he rebarreled it to .257 Roberts Improved. When I received the rifle the stock was not finished and the safety did not work. I stained and finished the stock, found that the safety had never been fit so I fit it, and got the bits of surface rust off of it.

Here she is;

Attachment 27005

Attachment 27006

I do have a couple questions about it. First, what model/kind of Mauser is this considered?

Second, does anyone know any history of the Mexican Mausers? They dont seem very popular.

Last, and I guess it is more of a gunsmithing question but, where can I find a set of go/no go chamber gauges for .257 Roberts Improved? I can find .257 Roberts and .257 Roberts Ackley Improved, but not not the Roberts Improved. I am concerned because I know that my father installed the barrel and I dont think he gauged it, especially after seeing the lack of fitting of the safety. The rest of the work looks very solid but I would rather be safe than blown up.

Thanks in advance for any info you can provide.
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