1st define what you want the hand gun to do.
Personal Cary ? — go small but not tiny.
Target accurate ? - .22rf
Home Defense ? — Full size Auto or Revolver
Hunting ? -——— Large Frame Revolver
When in doubt for your first hand gun, a .22 is never a bad choice, ammo is cheap, so you can practice a lot.
40 caliber Glock 23!