Here's a clue towards the scoop. When I first started reloading, I read in the Speer manual that 5.0 grains of W231 was max with a 200 gr. .45 acp LSWC. My Lyman manual said 6.5 gr. was max!!! I called Speer and spoke to the guy that makes the load books...he said the "max" loads in the Speer book (at least concerning that load) was a "target" load and to follow the Lyman for max. Guess whos book I don't reference now for load data?
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