Quote:
I perhaps have not succinctly described the overall objective
but much as the situation with many other calibers and cartridges,
todays load data from the manufacturers does not match real world
performance of the same cartridges many years ago and the history
shows that those older higher performing cartridges did no harm.
The simple goal is to recreate the performance for which the
10mm was known for when it was first developed.
If someone has some other constructive suggestions as to
how to go about it I am all ears.
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The easiest, and I think safest, way to do that is to use a program like Quickload, start at a known safe charge, tweak the software until it matches the real world as closely as possible and then continue to work up the load in a safe fashion until the indicated max is reached.
You are certainly correct, particularly in the case of the 10mm, that the original loads were MUCH more powerful that current "max" data, and the SAAMI limit remains unchanged.