A stunning video of an employee firing bullets into the windshield of a car, with his boss sitting in the drivers seat was made all in the name of product testing.

The Texas Armouring Corporation (TAC) created the ad to showcase their “products are stronger and safer than the competition”.

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President of the custom bulletproof vehicle manufacturer, Trent Kimball, gets into the car and sits in it while bullet after bullet slams into the glass in front of his face.

“We take product testing really seriously,” he tells the camera.

Twelve bullets in total are fired by the employee from an AK-47 into the windshield, which mark but do not shatter it.