Greetings @makka,
Looks like you might be in for an interesting time. A little more info would be useful. Is the chamber the standard 5.6x57 with the thick neck and what is the barrel twist? Are you planning to use factory cases or form them yourself? Do you have 5.6x57 dies. I am sure that I have some info here so will get back to you on them.
Regards Grandpamac.
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