Latest update.
Tried the same load in another 9mm - this time a Walther PPQ M2 - 5". Did the same thing.
Got a hold of someone at ACME who does a lot of reloading. Summary of that conversation - He had the SAME THING happen to him. However, it was NOT lead - his was carbon. He thought it was lead due to the same color, but capturing several bullets in gel, the bullet was perfect. He is pretty sure what I'm seeing is carbon, not lead, since carbon has the same basic color as lead. He feels if I back off the load this will go away. He also recommends a cleaner burning powder. Asked what he recommended I try - Vit N320 (which of course I don't have). So, I'll be trying some other powders and see what happens.
Due to cars breaking and rain/sleet/snow in the forecast I doubt it will be before next week.