VV N140 is the best powder, if you can find it. It is gun cotton based, making it cleaner than anything else.
Buy a primer pocket uniformer and use whatever primer you want.
Nosler 155 CC are the best bullets Ive found for 200 yard JCG matches. 168 are crummy past 300.
Your mileage may vary.
Phillip McGregor (OFC)
"I am neither a fire arms nor a ballistics expert, but I was a combat infantry officer in the Great War, and I absolutely know that the bullet from an infantry rifle has to be able to shoot through things." General Douglas MacArthur