A bit off topic, but this series of 7 videos is a must see. Just fantastic! Video 2 actually shows a wadcutter pellet in slow motion hitting a glass panel. You can see the pellet deforming on impact. To view these videos, just click on the link below and enjoy.

http://www.outdoorlife.com/videos/gallery/guns/2009/01/amazing-bullet-videos

Larry

Showed the pellet video to my son and explained that air guns, as can be seen, are no joke. Also, the slo mo of the concentric fracturing in the glass pane graphically illustrates how a wadcutter so effectively delivers energy into the target. Nice link.