shared traits, and yet very different.
There are number of things they have in common, but enough differences that they are two different firearms.
The Czech Rep. might have been on the other side of the iron curtain and forced to take certain cues from the Warsaw Pact in what they carried. They always looked to improve designs and create new ones.
CZ82, S&W Mod. 65 .357, Marlin 22mn (22WMR), Mossberg 500.