Guess it depends. My conceal carry of choice is a full size springfield 1911 .45acp and/or a S&W 36 .38spl. I have carried a Glock 19 and a S&W M&P 9c in the past, but came back to the 1911. I like the 1911 and I shoot the 1911. It all comes down to what you're comfortable with and practice with...
Because I'm sitting all day long, a Galco Miami Classic II with a Springfield 1911 is my CCW of choice.
Here's the holster I use:
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I won't answer my door, period unless I know who it is after dark. Anyone that comes over has either the house number or the cell phone numbers for my wife and I. If someone needs me so bad, they had better call first. Too many weirdos walking around this place in the day-time, I'm sure not...
Maybe a S&W K/L frame or if the grips are too big, then mabe a N frame. My guess would be a K or L frame.
Here's a list of models for each frame...........
http://www.tjgeneralstore.com/s%26w_frames.htm