NOT KNOWN DETAILS ABOUT WINCHESTER 209 PRIMERS SHOTSHELL

I’m liking this load I manufactured Using the exact load data other than I’m using sixteen.eight of Clays and loading it with 1oz. Would that increase or decrease strain and velocity?If there was a dilemma inserting the primer, the world throughout the primer pocket will be concave not convex. None of the MEC Reloading equipment guidance the hu