Best weapon for Concealed Carry advise

Revolver.
It goes bang every time regardless of ammunition .
Jam proof and no guess work about if it's loaded
Police need 18 shots, I don't.
I'm not fighting drug gangs.
Any gun will hit from 10 feet.
If it's over 10 feet, my plan is to run and shoot over my shoulder.
I didn't say it's a good plan.
If they still made the Charter Arm Under Cover.....