I've recently acquired a rather nice 1950 vintage Swiss Karabiner K31 straight-pull rifle. Surplus GP11 ammo for this is almost unobtainable in the UK, but I've got a supply of Prvi Partizan unfired brass and 178gr A-Max bullets for it.
I'm looking for proven load data - has anyone here got experience with 7.5x55mm loads, can anyone suggest any good data?
Thanks.
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