I think looking in the size range of the P3AT/LCP is a good place to start.
If you get much bigger (ex. Bersa Thunder 380), not only are you getting to the edge of the pocket gun envelope, but there's no reason at that point not to go with a small 9mm.
Much of this depends on the size of your pockets. So, "pocket pistol," is a concept that's fuzzy around the edges.
Here's a handy chart - https://docs.google.com/file/d/0B22...kLWE0MGMtZmEwNGFlMWE3ZDlm/edit?hl=en_US&pli=1
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Popular models: Smith Bodyguard, Keltec P3AT, Diamondback DB380, Kahr P380, Ruger LCP, Taurus TCP, NAA Guardian 380, Sig P238, IO Hellcat...I personally carry a Colt Pocketlite.
How much are those colt pocket lights going for? And who carries them? I haven't seen any, and the ones that are listed as out of stock are like $650, which seems a bit excessive for a pocket gun that's just going to get banged up. Especially when the sig p238 is practically the same gun (reliability and functionally) and can be had for around $500 brand new.
Great sight. Only thing is, if you weren't sure which one to pick before, now you're really confused. That's a lot of choices.If you are wondering how all these pistols mentioned in this thread stack up in size with each other, try the "mouseguns" link. Look for the "Pocket Gun Chart" on the left side of the page...
<-- quick drawing 2 pocket pistols!
Great size info