Visual Information on Ammuntion and Bullets

When I first became seriously interested in firearms, back when the Internet was not quite as big and neato as it is now, I sometimes had a hard time finding information of the type that I needed. And let's face it, there are an awful lot of idiots on the Internet that will free of charge, tell you all sorts of things that are not true. So here are some visual aides I have collected along the way to help me learn more about firearms.

5.56 NATO rounds

NATO ammunition

Bullet profiles

Also check out these diagrams of a semi auto pistol and revolver.