That is what I'm thinking and whenever I run into a tough bore to clean, I use one of my "Tornadoes". Have to admit that I was skeptical when I first started using them but no more. I had one bore that I had limited success with a bronze brush and two swipes of the tornado, left a mirror smooth bore. Not only that, but solvents will not eat them up, like the brass/bronze. ...Boy u talkin' bout nem 'ternader brushes? Them steel jobs that twist round n' round?