I own 10 different design 9x19 pistols, and I have to go with the thinnest and lightest one, the Kel-tek PF9 for carry.
https://www.keltecweapons.com/firearm/pistols/pf9/

It is small but still takes my Atomic handloads.

A pistol with a wider grip, like a Beretta 92, is much less painful to shoot the atomic handloads.

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway
The man who makes no mistakes does not usually make anything.-- Edward John Phelps