So now that I'm shooting these lead cast bullets I need to learn to identy lead fouling that I've heard so much about. Just what exactly am I looking for? Will there be an obivous build up of lead that you can scrape? Is it that big of a deal? We clean our guns anyway. I shot 50 rounds the other day through my SBH 44. I pulled out the cylinder and looked in the barrel. As far as I can tell all I have is a little black soot. Same as on the cylinder.