that there is no plastik get my heart in a second

seems very powerful for a handgun cartridge that the pistol brings this energy to the target is another story

will be the rigth thing for a new made mauser C 96 carbine

was looking for more informations about the cartridge but there is not much to find

http://www.gunsweek.com/en/pistols/news/fk-brno-combat-and-sport-field-pistols-75-fk-caliber

if they use the good old 7,62 Tokarev aka 7,63 Mauser case as basic? this case was used by the czech before I remember a .22 wildcat using the 7,62 tokarev case in the late 1990s when there was some search for a small bore PDW cartridge http://www.quarryhs.co.uk/PDWs.htm

ok, here they claim its a special case, maybe stronger for the high pressure it must have
https://www.fkbrno.com/cartridge-7-5

never say never

I dare to say it fits in a 9 mm Winchester Magnum pistol magazine