M44----k31

[A. F Medic]

I was digging through my rifles today and I found my Swiss Mauser M38 and my K31.
Now I know the 38 takes 6.5x55 . The k31 takes the GP 11 in the 10 white round box right?. What is the complete caliber? My box says 7.5mm Thanks.... i AM GUESSING 7.5X55

Information

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[Aragorn243]

My RCBS box says: 7.5mmx55 Schmidt-Rubin.

Your M38 is Swedish, not Swiss. I see that all the time.

[surpman1911]

Yes the k31 takes the gp11 which does come in the ten round white cardboard boxes. the full name of the caliber is the 7.5x55 Swiss.