[MD_Willington]

I think everyone pretty much covered it, I've heard of this ammo as "air ring foil" before, it it's purpose is AP, aparently some of this was tested on the standard kevlar helmets and body armor... cut right through...

I heard about it in college in ~98/99...

 

[MD_Willington]

Yep, I do have a 5906, picked it up a few months back...