hello everyone, great site.question. in where your powder in barrel ends up you cant, i believe ,get a cleaning patch to clean. we were always told to get brake cleaner at wal-mart in spray can and take touch hole liner out and spray into there to clean this area. my question is, i have not been putting any protectant in there as i am afraid of contamianating the powder later. does this area need protection and if so, what do you do to get in thereor use. thanks