Smith has a few guns that will take good care of your needs. I carried a model 60 for many years and it served me well. FWIW I have probably tried out about 20 different carry guns, both autos and revolvers over the years!

In more modern times I did try out a 642 for a while and then for a bunch of years went with a Bodyguard.380 (SA) Now I'm carrying a Ruger LCR.38 (same size as a S&W J frame)

I say here that the 642 and Bodyguard .380 & Ruger are for casual use. I just grab them and the holster, stick in pocket and go out the house and stay local.

Going in more harmful directions I up the ante to a more powerful and larger capacity auto loader. (.45) in a ISWB!

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14 S&W Revs none with locks!