I have brushed so much I'm afraid I'll brush the rifling out . This has just happened in the last 100 rounds . I bore scope after every cleaning .
That is another thing never been really happy with this barrel , not getting the groups that I think I should be getting .And with all of these cleaning systems, have your groups gotten smaller?
Thorroclean has abrasives in it.I really don't like using abrasives ,in this new of a barrel. I'v been using thorroclean .
the black is metal coming out, not carbonWell I did it !! cleaned on it all day and only got white patches out of it . So I just Flitz the barrel and supper black patches . I'll let it soak all night with Butch's bore shine clean it good in the morning and bore scope it again.
Thorroclean is an abrasiveI really don't like using abrasives ,in this new of a barrel. I'v been using thorroclean .