Leaves the black, burn mark. .50 caliber would leave a larger black mark.
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https://www.youtube.com/watch?v=rJRNqP6lArA

Las Vegas fuel tank angle test using 7.62x54mm API

Published on Dec 28, 2017

Las Vegas fuel tank bullet angle testing with 1/2″ thick mild steel plate and 7.62x54mm Armor Piercing Incendiary rounds. Note the burn marks made by the Incendiary compound. And the obvious angle made in the bullet crater compared to the “straight on bullet holes” in the close up photos provided in the link below. https://www.reviewjournal.com/crime/s…