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Message: <blockquote data-quote="1Mudman" data-source="post: 3854125" data-attributes="member: 51234"><p>I have several older reloading manuals and nearly every load is to MAX load to the pressure limits of recommended manufacture. Modern reloading books are way milder than the ones I have. You can hardly find a modern recipe over 19,000 psi for a 45 ACP. The older manuals take it to 21,000 psi and then have +P to 23,000 psi. They used to use CUP units and that made things really confusing. Even rifle loads were hotter 20 yrs ago. Thank goodness for modern stable powders. If you worked a good hot load up on a 60 degree day, you could bet it was going to blow primers at the praire dog town in the middle of summer!</p></blockquote><p></p>