Could a Tankgewehr Really Take Out a British MkIV Tank?

Tankgewehr Versus a British MkIV

The Tankgewehr antitank rifle was developed by the Mauser company and adopted by the Imperial German military as an emergency measure to counter the introduction of tanks to the WW1 battlefield. The question is, did they really work? Could a 13.2mm AP bullet from a Tankgewehr really perforate the armor of a British tank? Well today we find out!
Credit to : Forgotten Weapons