For the first on the scene, the Propper CriticalResponse Kit is a lightweight, low cost one-size-fits-all body armor carrier that now includes NIJ Level IV ballistic plates in ...

ShotStop’s HA Level IV ballistic body armor, made with patented Duritium® technology, is multi-hit and can defeat special threats including: 5.56x45mm 55 grain ball (M193), 7.62x39mm PS ball ...

The gunman was wearing enhanced or Level 4 body armor, according to Buffalo Police, which protected him when Aaron Salter Jr. tried to intervene.