How available, and how expensive todAY. Just checked Cabella's- they do not show any in stock- is the 8mm ball round becoming like the .348 Win round in today's market-- Der Fuchs
Der Fuchs,
Check Graf and Sons, they have 8x57 ammo by Federal, Hornady, PRVI, Sellier & Bellot, Winchester, and Norma (out of stock).
Der Ami
Gunboards want ads usually have some mil-surp being offered. I don't know if it's fairly priced or not.
Here's a recent example =>
https://forums.gunboards.com/showthread.php?1123301-WTS-8-mm-AmmoPage through the ads and you'll find more.