Quote:
Originally Posted by Sieger
By the way, if you get on just about any of the major powder manufacturer's sites, you will find that they claim just he opposite; that being, that their newer powder burning rates are exactly the same as their older powder burning rates.
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Then they are lying out their ass.
Here's scans from two Speer reloading handbooks; the first is the 1987, the second is the 1979. I like the older manuals because the newer ones do not have 30 Mauser, 30 Luger, or 8mm Nambu at all...
Edit: Third pic is a note from the 1991 Hornady Reloading Manual on the powders they list...