M855A1 vs Ar500 Armor

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An AR500 steel armor company recently made the claim that steel armor is better than ceramic.
We put AR500 armor to the test versus M855A1 to find out.

ERRATA:
We made the mistake of calling M855 and M855A1 "AP rounds". Neither are specifically designated as AP, but have some AP like qualities. We spoke to this as people who frequently compete and shoot at steel targets, and while M855 and M855A1 are not *officially* AP rounds, they might as well be by our standards. So please note this correction - M855A1 is an "enhanced performance" round, and still considered ball ammunition by technical standards.