Igorrock
(.400 member)
15/06/14 04:28 AM
Re: 7x54mm and 7.63x54mm M-S Chamberings
Interesting, seems that 7x54 case dimension are quite near of 6,5x54 Mauser. Even so near that last mentioned could be the parent case:
http://www.cip-bobp.org/homologation/uploads/tdcc/tab-i/tabical-en-page21.pdf