I've read several posts on using (or not using) 9mm dies to reload .380. My question is just the opposite.
I understand a .380 sizing/decapping die CAN'T be used to size 9mm.
Is there any reason why I couldn't use a .380 expander to flare the 9mm case mouth, and the .380 seating die to seat a 9mm bullet by backing out the seater plug and/or TC with it??
Yeah, I'm cheap like that...