Anyone have anything chambered in .300 Whisper, .300 Fireball, or .300/221 or whatever else is basically the same?
I've searched the web and have found most (all?) of the good web resources on this round and am looking for some first hand experience. I'd like to primarily know what dies you are using. And if you size .223 brass or not.
Yea, you might gather from this thread, I have a barrel on the way.