ORIGINAL: sabotloader
For most of the length of the barrel it does burn cleaner.. it is that burn zone right under the sabot where the ring normally builds up. Some people say the temperature of the primer makes a big difference.
I was using the Winchester shotgun 209 primers. Do you think If I used different primers I may get different results in a crud ring or no crud ring? I have never used anything else but Winchester 209 primers in my inlines.