Re: Change of primers,Powder charge reduction.
I don't like giving people advice on what is a "safe load", but I will let you know that it has been my experience that the loading data tells you a fairly higher velosity that what you will actually get. I am shooting in Mn, approximately 1000 feet of elevation, and my results are about 150-200 fps slower than what the load data has been estemating. I have to admit that it is possible that it is my Chrono, (a old cheap prochrono). I have been meaning to test it compared to someone elses sometime.
I used to re-load but now I "hand-load".
-- Well, at least I try