Thats not a gun problem, thats just the crud ring T7 - Pyrodex - American Pioneer create due to the heat from the 209 primers. You have to swab in between shots in order to get past it.
You don't get a crud ring at the bottom of the bore with a #11 cap due to them producing low heat.
Last edited by MountainDevil54; 12-09-2011 at 11:06 AM.