177,22, verses ballistic gelatin

I saw this sight where they posted results of different pellets fired into ballistic gelatin from a Mendosa springer at mid/ moderate Fps

It was done with the help of straight shooters.

Kool read.

http://www.brassfetcher.com/Brass%20Fetcher%20Evaluates%200.177%20and%200.22%20inch%20airguns.pdf