While reading about ammo for the Glock 42 I found what appears to be a good article on ammo for small 380's. Don't know if this info is correct or not since it was written in 2013. If anyone has read it and has comments I'd love to hear from you.
http://shootingthebull.net/blog/final-results-of-the-380-acp-ammo-quest/
http://shootingthebull.net/blog/final-results-of-the-380-acp-ammo-quest/