This article was written by the late, longtime CBA member, Ken Mollohan and was published in the July/Aug 1997, #128 issue of the Fouling Shot.Upset in cast bullets has been around a long time. Early experimenters, using muzzle loading rifles, tried many schemes to force undersized balls to expand and take the rifling, but a Frenchman, Captain E. C. Minie had the first real success.