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Old June 3, 2019, 11:50 AM   #1
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Join Date: March 2, 2014
Posts: 6,128
Case filled past base of shoulder a no no?

I've been reloading for some time now; and I never really paused to think about this one but occasionally I run across some cartridges which by virtue of being able to load them to a longer COL than their normal specs I gain extra case capacity for more powder. In some cases, especially when using flat based type bullets, I can run charge weights up that stay within pressure limits forecasted by QL--and are not compressed--but do fill into the area of the shoulder itself. could this potentially result in pressure spike that is maybe not captured in QL (since I guess it does not take into consideration the taper area of the shoulder in the powder column)? Ignorant minds want to know.
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