Looking at most 9mm double-stack "full"-size handguns, I notice the majority of them have 15-17 round capacities, most of them right at 17 rounds. There are only 3 that I know of that have more - the Para double-stack 1911 in 9mm (P18-9 or something like that), the Caracal, and the XDm.
What is so special about these three, that don't seem to be much bigger at all than the 17-round conglomerate, that they have 18 (or even 19) rounds?
What is so special about these three, that don't seem to be much bigger at all than the 17-round conglomerate, that they have 18 (or even 19) rounds?