Hey forum members, I have a favor to ask. I am re-barreling a 223 to 223 AI as a project this spring. I'd like to shoot 75-80 grain bullets in a 7 twist barrel. To throat the chamber I need to send my gunsmith a few dummy rounds so he can throat my chamber. I don't have any 223 AI brass - this is my first 223 AI. If I send you $20, would any 223 AI shooter be willing to send me 3 or 4 fully re-sized piece of 223 AI brass that I can use to make my dummy rounds? It is a bit of strange request, I know, but I hope someone can help me out. Feel free to reply directly in this thread or send me a private message. Thanks!