I’m not so sure you need to carry with a large capacity (unless that is your prerogative). One or two .357s to the closest perp and the rest of the cowards will run.
GMTA
Any estimates as to what the "rest of the cowards" were "packing"? (or can retrieve from their cars or homes)
Pistols, straight razors?
Bravado is not always the best course of action. If a surprise attack or lack of planning & intelligence leave no other options, then by all means, go for Bravado.
Know your enemy, his capabilities, training and weapons. Plan an exit strategy beforehand.
"Live long and prosper!"