So the guys at Texas Armoring Corporation are the kind of people that truly believe in what they are doing, made evident by their extreme methods of testing new products. The CEO has clearly got nerves of steal and a lot of faith in the bullet proof glass the company make because he sits inside the car whilst a colleague fires multiple rounds from an AK47 straight into the windscreen.
Various cameras capture different angles including a view from inside the car. The CEO doesn’t even flinch.

He doesn’t even flinch:

But he is gripping that steering wheel pretty tightly.