A Moore, simple really get the Nosler and Hornady latest editions reloading manuals . Look at the data on what you want to load for ,look at the loads that produce the highest velocity at max pressure get those components, start at the recommended load and carefully work up to your accuracy load. Why start with powders that burn to fast or slow for ideal performance for the cartridge you are using? MB


" Cheapest velocity in the world comes from a long barrel and I sure do like them. MB "