Is there a product that does it well? I've tried Hoppes regular, Hoppes gel, Remington Bore Shine, bore foam, but I can still see streaks of lead in there. I once owned a Lewis Lead remover, but the nub would always break off when I tried to push it through the barrel. Am I not letting it soak long enough? The patch comes through clean, but I can still see the streaks of lead, mainly right at the forcing cone. Somebody recommended wrapping some copper brillo around a regular brush. The only brillo I see has the soapy stuff on there.