And brass is the poorest performing material we have ever tried.
Out of curiosity what was so bad about the brass? I used some of the 145gr Lehigh Controlled Chaos bullets out of my 30-06 and they killed the 4 deer I shot with them exceptionally quickly and with good accuracy and a big blood trail when they didn't drop outright.
I stopped using them as a combination of low BC and high minimum expansion basically meant they were only good sub 300 yards and I switched from the 30-06 to a 6.5 PRC. I still have 200 or so that are relegated to my lever 30-06 since I don't shoot it that far.