I have to ask if you have loaded with the newer, cleaner Unique powder? The older variety is a bit dirtier than the newest version of the powder. I also use Power Pistol in 9mm loadings, and find it to be a good powder, but have not been as pleased with it in MY Lugers as the Unique powder. I do use the PP for many of my other 9mm handguns.
I started this handloading hobby in 1971-72, so I guess that I am not a newbie either. We all find what works the best for us and in our handguns. I don't experiment nearly as much these days as I did before, but still find myself working up new loads from time to time to improve a load if I can. I still enjoy the hobby after all of these years, and my equipment has been paid for many, many times over. I still shoot 1-2/week, and 75-150 rounds/session, so handloading is a must for me.
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