While I have no doubt Fortis armor is good, the vidio is rife with falsehoods, inequitable comparisons, and downright lies.
My guess is that the 'standard' vest that failed so miserably was maybe a standard fragmentation vest, not ballistic or if ballistic, a IIA vest and not higher whereas the Fortis was a IIIA or better (if with a hard plate, which they did not say). Why else did so much penetrate it? Who knows, maybe it was a 5 year old zylon vest that they soaked repeatedly in water?
By the way, who said they were using SMG ammo in the Uzi? There are no stipulations about the ammo being used except for caliber. For example, the .38 spl. round looded to be unjacketed. And, they made a big deal out of the .38 spl bouncing off the Fortis vest. That is nothing unusual. In testing old panels purchased off ebay, I have seen 9mm, .45 acp, and .380 all bounce off and if the ammo is soft point or hollowpoint, it is that much more likely to bounce off. Basically, it expands on contact and before penetration is attained, hence becomes far too large to penetrate and "bounces" off.
Up to the shotgun, the claim was the shotgun was the most powerful firearm so far in the test. If you notice, one pellet missed the vest and struck the gray stuff. The hole of the 00 pellet was fairly small, much smaller than the 9mm rounds piercing the 'standard' vest. While a shotgun can blow a door off its hinges (each hinge usually needs to be shot, but that is another matter), each pellet is its own projectile and is only a .33 caliber round that might be as fast as 1400 fps out of a full length barrel, but they were using a sawed off version, so less velocity and the round 00 buck loses velocity fairly quickly on top of that. While the shotgun is powerful, the vest is stopping individual projectiles. As individual projectiles, none are terribly powerful when compared again something like a .45 acp or .357 mag.
Why did that 'expert' fire the first shotgun round from the hip and into the air? Can you say negligent discharge?
You can tell they were experts by the fact that the second AK47 API round nearly missed the hard plate.
Maybe a littel overly critical? Sure, but only because they aren't being square with the viewer in the presentation of the product. Then again, with a scientist with the name of Digby Dike attesting to the results for Fortis, how could I question such findings?