Will a mag dump from a select-fire MP5 get through a Level IIIA ballistic helmet?
For more information about the helmet:
Ammo was from Shell Shock Technologies:
Zenith MKE Z5P 9mm MP5K Stock From Safety Harbor
.44 Magnum Model 29 8-inch (Close-up)
Civilian Force Arms HAGOS -15
Shot Show 2016 Red White and Ben at the Sage Ordinance Booth
Remington R1 1911 Lightweight Commander #189