Best caliber for situation described.
I commonly go on bank runs for my job, and it may be conceived that I carry a large amount of cash. For this reason the likelihood that I may be robbed is larger than for most. I carry a .45 as primary weapon on my hip and 9mm on my ankle. I was looking to add another caliber pistol with high ammo capacity to take with me in the car when going to the bank. I am trying to determine if a .45 would suffice or wether another caliber would be better suited. I imagine that if I were held up during this time it would probably be from a vehicle and possibly by someone with a vest. I have not found any similar posts, so would be much appreciative of whoever cared to weigh in.