I know it's offsite, but ar15.com has some gelatin tests of how the 100 grain magazine length 5.56 ammo fragments. pretty impressive stuff.
here's the link:
http://ar15.com/forums/topic.html?b=3&f=16&t=145122
Enjoy!
here's the link:
http://ar15.com/forums/topic.html?b=3&f=16&t=145122
Enjoy!