The tests show what you cannot / should not use for cover as much as they demonstrate the offensive capability of any given round. You don’t get to pick your opponent’s ammo. The other important aspect demonstrated in the video is the affects to the projectile after passing through the initial barrier. Most of the rounds continue and penitrate though the soft armor on the manikins. Additionally bullet fragmentation is prevalent showing how large areas within a building are subject to disabling injuries with a single round.