Awesome bob!
I have several things to work up loads for but cannot find the time to get it done. I have 2 223?s to get started on, a browning X-bolt rifle and black stock xp 100 handgun. The xbolt has a 1/8? twist, which I will try 69gr sierra match and sierra 55gr hpbt in it. I will start with varget and rl-15. I have a few 40-55gr selections to try in the xp100. My 14? contender shoots 40gr noslers and sierra 50gr blitz pretty good with H322.
Enjoyed your report. Keep it up!