WINCHESTER 209 SHOTSHELL PRIMERS 1000 BOX FOR DUMMIES

I’m liking this load I manufactured Along with the same load data other than I’m working with 16.8 of Clays and loading it with 1oz. Would that increase or lower pressure and velocity?I am basing that over a noticeable reduction in powder residue remaining within the barrels of my O/U just after working with Cheddite. Most of my loads are withi