I have posted several times about my experience with the PC Post wads, the spreading accelerated by pushing a piece of press fitted fuel line over the post to make it more aggressive and lower the capacity of the shell to one ounce. The biggest advantage is that you can prepare the wad in bulk before loading and the wad, with the fuel line addition, works through my PW just like it was a regular wad. I have tried them all, but just don't see the added result of some of the procedures and products that are so labor intensive. My PCs work just fine.