What about going with a S&W 637? Comfortable to carry and made in America... I've looked at some options from Taurus but generally don't differ from things made outside of the US (besides Germany). It would be my first revolver but seems more economical and kind of more appealing to me than say the Kahr MK40 or PM40
You mentioned that you carry IWB or OWB. Would you do the same with the 637, or would you pocket carry it?
If pocket carrying, I'd recommend bobbing the hammer to avoid snags. Or, just go with the 638 (shrouded hammer) or 642 (enclosed hammer), or their blued equivalents, the 38 and 442 (the 37 is a blued 637). The rounded back strap of the enclosed and shrouded hammer guns makes drawing them from a pocket very easy.
If you are going to carry IWB, you may as well go with an all-steel gun for great recoil dampening, like S&W Model 60 in .38 or .357 or Ruger's SP101.
It is nice to have a pocket gun though. It makes a great BUG, or when you are in a hurry to get out the door or you're just tooling around the house, it's nice to just drop it in a pocket holster and go. I personnally find the S&W 642 the easiest gun to shoot that is pocketable. But that's just me, I typically don't shoot small autos well at all, though I do okay with my dad's Kahr K9.
If you've got a friend that'll let you take a J Frame for a spin before you buy, I'd recommend that; J frames are either loved or hated. YMMV.
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As for the 1911, when I carry IWB barrel length is not a big concern; width is. Like Lar1911, I carry a full-sized steel 1911 without any problems. I went with the 5" 1911, because on generally/on average, they are more reliable than sub-commander sized-guns (4.25" barrel).