THESE ARE MY RESULTS NO ENDORSEMENT IMPLIED. USE AT YOUR OWN RISK. :D :D :D
Well I tried my new Expansion Industries powder. SHOT WITH A NEW GLOCK 34 9MM.
ETR-7, xtreme plated 9mm 147gr, CCI 500 primers, various used brass, 1.12 coal.
Starting at Minimum powder charge
3.6gr - 904fps average...