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Full video
https://t.me/ButusovPlus/13470
"Even in a gunfight, we'd just get our asses kicked by the simplest rifles."
Russian soldiers posted a video testing the "unparalleled" bulletproof vest "Module-Monolith," produced by JSC "Special Materials Research Institute" (St. Petersburg). During the experiment, all five bullets penetrated the armor plate completely. The soldiers expressed their dissatisfaction with the quality of the heavy and useless gear: "Just f*cking great. Thank you, Ministry of Defense."
You might be thinking of the anti-spalling coating on the front. Not exactly required but helpful.
That layer traps the prices of the splattered bullet after it impacts the plate. Without it those pieces can hit your chin or arms.
OR you're thinking of ceramic plates? Ceramic breaks up the bullet while the Kevlar behind it catches the slowed and broken pieces.
That's probably exactly what I was thinking of.
I mostly see them in US media, and they always seem so thick. But then again, the Russian vest doesn't, so I guess they're for different uses.