This is the second time I've heard about this large calibre bass coated steel case technology being invented and unique to China, although I've heard from elsewhere that some years ago this technology was traded to Russians for something in exchange.Doesn’t matter if North Korean/Iranian ammo are junk. If rumors are to be believed then they are getting ammos from elsewhere too now. Everything is written in perfect Cyrillic but one detail has been neglected.
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Is there more details on this type of propellent case?