Quote Originally Posted by Rabid View Post
A friend of mine pushes copper scouring pads covered in JB bore compound through the barrel with a jag to clean out leading. It works pretty well but still takes some effort.
Yikes! Ok on the copper wool but ixnay on the JB. All he is doing is wearing out the barrel.
Would you use lapping compound to clean your bore? That's all the JB is albeit a very fine grit.
We want to keep abrasives out of our bores whenever possible. Have him use a good lead removing solution or brass cloth.