Only with some old, suspect 7.62x25 ammo in a CZ52.
Certainly not enjoyable in any way-discontinued after the second instance of it in about 20 rounds, and threw the rest away.
Checking the brass afterward, we found about half had serious splits in the case neck.
The whole concept of a handfire is pretty scary, if you consider that for something like that to occur, the propellant has to be breaking down in some unpredictable way.
Larry