I have looked into this a great deal. Tricky stuff to hand load. You are getting into the high end of the pressure limit. Some guns may not handle the higher pressures. One reason I got the Glock 21.
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64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma