Easier to carry concealed
Often have shorter grips and barrels
May have reduced magazine capacity compared with full-size models
Fit and comfort in your hand are important — you want a grip that feels secure and natural.
Manageable recoil
Good magazine capacity
Widely available ammunition
Effective self-defense performance (when using quality defensive ammunition)
Slide stop/release
Magazine release
Manual safety (if present)
Trigger design
Controls that you can reach without shifting your grip are typically safer and easier to use under stress.