I am in the middle of breaking in a new savage 25-06 and finding a load for my 300rum moose gun, so I have been cleaning both rifles a lot lately. What I have noticed is that the majority of the fouling comes out really easy but as the guns comes clean and I start pushing dry patches down the barrel one or two riflings keep leaving black marks.
I have ran as many as 10-15 dry patches down the barrel in a row and still get a single dark line on the same spot on the patch. Just wondering if anyone has had the same problem.
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