Watching this thread with interest.
I've got 2208, variety of projectiles 125-168gn, Lapua and Federal brass, Fiocchi, Federal 210M and quite a few CCI pre-primed cases.
Loade singles up 45gn - 46 gn for testing - bolt lift, extraction, etc.
These are using CCI preprimed Lapua brass, ADI2208 and Dyer HBC 155gn projectiles for the Omark target rifle. Have a comparator, but not measured CBTO yet, as still to experiment with seating depth. Estimate jump is approximately 0.005".
Starter only.
Good luck - each bangstick is a law unto itself - Hornady setup all the way.
Bookmarks