I'm now also looking for berdan primed brass casings in military calibers. I'm willing to trade some of my 9mm brass for them.
Examples of possible berdan primed brass casings in military calibers are listed below.
30-06
308 (7.62 NATO)
8x57 Mauser
7x57 Mauser
.303 British
7.62x54R
7.62x39
7.62x38 Nagant
7.62x25 Tokarev
7.63x25
.30 Luger
.30 Mauser
7.65x53 Argentine
7.5 French
7.5 Swiss
7.7 Jap
6.5 Jap
6.5 Carcano
8mm Nambu