I've been meaning to ask this question.
I have Speer, Lyman, Sierra, 2 Hornady - 3 Nosler loading manuals; and Ackley�s, but I rarely use his and feel certain he did not have an attorney. I think I am mostly talking about medium burn rate powders: RL 15, 4064, 4320, Varget, 4350, but also some slower powders -RL 19 &21, 4831.
There is a significant difference in minimum charge from book to book. Without paging thru each book for each powder, I seem to remember a 10 plus grain difference in the minimum charge for the 300 grain bullet in 375 H & H. I�ve heard/read about slow powders causing a pressure spike when under charged. Any idea at which burn rate of powders that is no longer a concern? I wonder if minimum charges should be approached like maximum? Any thoughts on the matter much appreciated.
