5.8×42mm brass case and 4.5mm underwater cases made in China

Mr. ammogun
Sorry,most of my cases was in my home and I’m in the college where is far away from my home,if you not hurry,I will take the picture when I back to home, sorry for this…and the length of the 4.5mm cartridge case is about 40mm,Longer than 7.62×39 and shorter than 5.8×42 ,sorry for can’t give you the picture now and I hope I can do something to help

don’t be hurry
i’m patient

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4.5x40mmR used on QSS-05 Underwater Pistol,It has a long bullet made in steel

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You are right…

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Very interesting. I wonder what it was like to fire these underwater and if they were ever actually used in combat.

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Yes,It’s long warhead is very interesting,and I wonder whether it has unbelievable power or not in fact,too.