A while back l built up a modern version of a 9x57 on a kar98 (small ring m98) using a .358 barrel. However, l managed to get a brand new set of rcbs dies that look like the are very old. I believe that these are for the original .356 cal bullets, but they have been fine with the .358 bullets and l have been forming cases from privi 8x57 cases.

All the reloading info was very mild sounding but l decided to start of low. Anyway, the highest load that l ended up taking with me to its first range trip was 50.5gr of Varget with the 250gr hornady interlocks. These were still very mild in my rifle and with a 20.5 inch barrel l got 2250f/s. I'm confident l could go another couple of grains so l might see another 100f/s which is pretty good. Ultimately l want to go with some 280gr cast loads.