High capacity magazine question

[Alex Blair (RIP)]

Originally posted by sapper740
the box reads:

Patronen No. 403 mit Theilmantelgeschossen fur die MAUSER SELBSTLADE-PISTOLE. Cal.7,63
Deutsche Waffen- und Munitionsfabriken
Karlsruhe

Hi Sapper..
That's the good stuff..
The gun itself was a hard exercise to strip and clean..Two screws holding the grips on were the easy part..
But it was fun to shoot..and not bad for accuracy..
Nice to see again after 35 years...
Ahhh ...the memories..