One thing that concerns me about attempting to recreate the load, particularly the recoil impulse, is that they seem to use a fast burning powder. However my only evidence for this currently is that when testing a few different commercial SD cartridges, the regular pressure HST 124gr had a much sharper feel than the 124gr gold dot +p, even though it has a lower velocity going by the factory specifications and what chronograph information I can find.
Either way, it will be sometime before I attempt to recreate this particular load. I figure I should cut my teeth on basic loads straight from the manuals before experimenting with loads within the min-max loads of the manuals.
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