The Glock 21????
Standard Glock trigger, no external safety works like most Glocks, holds a pile of ammo in the mag for those Army of Darkness zombie gun fights. I had one and swapped it on another 1911. Glocks just aren’t my thing, good guns..but not for me.
The ultimate fighting hand gun...well that depends on who you listen to and of course what you are fighting.
If it was me, given your criteria, I'd drop the dime on the Para...but I’m a 1911 single action guy.
Let us know what you decide to go with.