Ruger LCP and cheap Russian ammo
Not wanting to use expensive ammo like the Hornaday Critical Defense I normally keep in my Ruger LCP, today I bought some Russian TulAmmo. This is steel cased, Berdan primed, fmj, stuff. At $14.95 for 50, that is a lot better than $24.99 for 25 of the Hornaday.
It ran the Ruger just fine. No ftf or failure to eject. I do believe it shot a bit hotter though. Just a subjective sense on my part. Using the stuff it flips the little gun quite smartly. After 14 rounds the web of my hand was definitely sore. But, it works. That is what counts.