.380 ACP. Not a lot of fun to shoot out of a puny Kel-Tec P3AT, but it’s vital that you practice, and I got to test a few types of inexpensive ammo that makes for good practice.
Although the next time I’m asked to pop off 150 rounds of .380, I’m asking for more money.
FTC Disclaimer – I’ve been hitting the treadmill lately and the glutes are just so smoochable!