I'll start

I loaded some 208 grain RCBS cast with GC bullets with 15 grains of Trail Boss (nearly a case full) cases were military surplus TW 54, primer was 9 1/2 Remington. The velocity was1,412 fps +/- 10 fps.
It was way to windy to try for groups today - more later

I prefer classic.
Semper Fi
I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally