I'm trying to think of an informal test that I could do, to compare the two types of loads. Maybe even video tape the two shots for comparison. I'm specifically considering comparing a magnum 12 gauge 2 3/4" load with 12 00 Buckshot in it, with a magnum 12 gauge 2 3/4" Turkey hunting load of #5 Birdshot.
Within home defense type ranges, I can't see there being any practical difference.
I wish I knew someone here in Western Oregon that had ballistic gelatin available.