TOP WINCHESTER LARGE PISTOL PRIMERS FOR STANDARD OR MAGNUM SECRETS

I’m liking this load I created with the exact load data apart from I’m applying 16.8 of Clays and loading it with 1oz. Would that add or minimize pressure and velocity?If you consider the quick photo , perhaps. But if you consider the expense of once-a-year or more frequently substitute of firing pins in all your guns you are using Cheddite pri