Would do the following!!
If I were you, I'd contact both the bullet and powder manufactures. Both will have load data that they will recommend. There are many variables to consider, such as bullet weight, barrel twist and length. Their information should get you started. Try the INTERNET.
If everyone is thinking alike, then somebody isn't thinking.
George S. Patton
Remember the battle of Athens, TN!
"Work as if you were to live 100 Years, Pray as if you were to die To-morrow." --Benjamin Franklin