I sort of stumbled upon a Keltec .32ACP last fall, along with a variety of factory ammo, several hundred labeled hand loads, primed brass, and several thousand factory cast and lubed boolits and jacketed bullets. The woman just did not want any gun stuff in her house (her deceased father's stuff...took five pickup loads to get it all home. It wasn't just a .32...)
and I felt I'd won the lottery. So I've run a bunch of different factory and handloads of all sorts through this little pistol, several hundred rounds worth and, judging from the sizable exit hole in a half-frozen watermelon (big one, too) I would not want to take a head shot with a Winchester 60gr Silvertip in .32ACP at get-off-me ranges. Nosirree. I put the belt clip on it and, with jeans, it hides behind the belt and in the watch pocket. It's my backup gun for the EDC S7 in .327 Federal (which, btw, handles .32ACP just fine). I've got an old hammerless Iver Johnson Bicycle Works .32 S&W, too. Took some Federal .32 H&R magnum brass that had split at the case mouth in a Single Six (a common occurrence), shortened them past the split to .32 S&W length. A teensy pinch of Bullseye, a 71 grain cast boolitt, just the ticket for sage rats and field mice and the armored contingent of my Little Green Army Men formations. I tell ya, since I first really realized the .32s, I hardly ever shoot anything else. A boolit caster, reloader with a ton of lead, somewhat less powder, plenty of brass, and still using primers from the The Great Primer Famine of 1994, I have not bought any .22 ammo since about 2010, I guess.
.32 rocks. BTW, .327 FM, cast bullets, 2,000+ plinking rounds from a pound of Bullseye.