From Long2Retire on another board. I liked this video explanation of the M855 round. M855 5.56 NATO Green Tip Penetrator Ballistics Gel Test & Review (HD) [yt]e1tAtW2JKRE[/yt] https://www.youtube.com/watch?v=e1tAtW2JKRE * * * * * * * * * images.investorshub.advfn.com/images/uploads/2012/11/9/yjuvq0.siggy.jpg* * * * * * * * * Progressive Liberal Politics Must Die Today So That Freedom Can Be Sure Tomorrow!!!