Have you ever wondered how a level IIIA ballistic helmet that are used by our military and law enforcemnt personnel would hold up against a full magazine of 9mm hollow points? The helmet is resin composite design to be able to withstand a .44 magnum round, so a 9mm shouldn’t be a problem. But what if you were shooting the 9mm from an MP5 on full automatic? The folks from TwangnBang set out to see how it would do, they used a 9mm with hollow points. Here's the results. The helmet gets pretty well torn up, but it does actually...