I think that is one of the points Ron is trying show. The gun was loaded with 50 gr. BH if I remember correctly and the target was 25 yards away. The bullet is fired through the carpet/plywood into the jugs. I THINK part of the experiment was to see if passing through the exterior material and into the jugs had an effect on the bullet. Apparently the material had little effect on the bullet except pushing out the tip and collecting some carpet fibers in the nose - then traveling into the water it did not have enough energy (speed) to open the bullet. I also think it was a simulation of what a bullet might operate like at 200 yards. I am sure Ron will clarify this better than I since it is his experiment.