[El Gato]

all flack jackets and helmets.

Neither a flak jacket nor a helmet (either kevlar Fritz type or the old steel pot) will stop a 5.56x45 round at any reasonable range. They are designed against shell fragments, (hence the name "flack" vest), which historicaly are the big killer on the battlefield.

[ApesForEvolution]

Precisely, but it would certainly make all the liberals feel safer. Especially against the arrows launched from bows...