This video tests the ballistic resistance of 7075 aircraft-grade aluminum against various firearms, from 9mm to .50 BMG. While most handgun and intermediate rifle rounds cause surface damage or shallow craters, they fail to penetrate the inch-thick aluminum. Larger calibers like .338 Lapua Magnum and .50 BMG demonstrate significant material deformation, with the .50 BMG API round eventually penetrating multiple plates.
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