Originally Posted By: Shotgunjones
....The lower part of the stack though would get more deformation from acceleration and might well head for the edge faster than the rounder pellets, so it's hard to say.

Were we to test this, pellet hardness would be a major variable....

I had wondered if this thought would turn up higher on the list of possible causes. Particularly with the recent comments about too much choke, and then on the other hand flyers out of whatever the pattern was.