Shield and Walther PPS or glock 42/43 would be right on the big side, but possible if pocket size and tightness allow.
Thank you for the input. Never considered a revolver but I like the Smith and Wesson 642 (wonder if I can get it in all black?)
Concur with holster. The two Sig Sauer were the first to come to mind. Both handle well. The P938 is slightly larger, but not much. Second was a snubbie revolver. Most of those will be 5 rounds though. They do have some advantages over a pistol: simpler mechanically, easier to maintain, and won't go out of battery disconnecting the action when pushed against a body. I recommend .38 Special +P, at least for the ammunition even if you buy a .357 magnum revolver. The .357 magnum loads are a lot to handle for a lightweight, short barrel revolver; doable but more difficult than the .38 +P.Plz use a holster, even if minimal to cover triggerguard (raven concealment, etc)
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Sig p938 or 238 might be worth checking out - these have a 1911 style safety