The handgun I'm carrying at the time
Seriously, IDK, there are a lot of people on here that are a LOT more knowledgeable about the pros/cons of this gun or that gun. I carry a Bersa 380 because I like the way it feels in my hands, I like the way it shoots, I can conceal it fairly well on person and if 7 rounds of .380 won't stop the threat, I'll throw the thing at them and run.
Forget accuracy (doesn't matter at 10 feet.)
Forget caliber (shouldn't matter at 10 feet.)
Forget how purty it is...
Which handgun is your TOP choice for both:
1. CONCEALMENT
2. SAVING YOUR LIFE