Best weapon for Concealed Carry advise

Just keep one in the pipe.

And in a holster.

If you're are proficient with the weapon, no need to chamber a round...

We don't get to choose when we need to deploy our firearms. The actions of others makes the determination. Unless someone is a great mind reader, best to stay loaded and chambered. An empty chamber invites malfunctions and lost fights. A loaded chamber is only as dangerous as the nut behind the trigger.