Powders for experimentation:

4 ounces IMR 4831 for 22-250 thru 500 Nitro Express 

7 ounces H450  for 270 Winchester, 30-06, 7mm magnum etc.  Similar to 4831 or H4831 

9 ounces H4831 for 224 Weatherby Magnum thru 50-140 Sharps 

See https://hodgdonreloading.com/rldc/ for load data

$5 for all 3