I've got one, a TP-22.
It has been VERY reliable with Winchester ammo. I had some problems with CCI ammo not firing on the first strike, but with the Winchester, in nearly 2,000 rounds, it has been absolutely flawless in firing, feeding, extraction, and ejection.
Accuracy is ok, the sights give a point of impact slightly left of aim, but remember that it is nothing more than a last-ditch pocket gun.
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Beware the man with the S&W .357 Mag.
Chances are he knows how to use it.