Edwin Sarkissian brings the heat with a Serbu BFG-50A against a surplus ballistically-protected vision block from a main battle tank.

He runs standard .50 cal FMJs at first, which hop up the toy tank resting on the sandbag behind the glass, and, while you certainly wouldn’t be able to see through the block anymore, it holds up for a while.

However, like everything else, if you apply enough lead to the same spot, you will eventually break your way through.

Source Article from http://www.guns.com/2017/01/06/trying-to-drill-through-a-tank-viewfinder-with-a-50-cal-video/

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