Tesla testing showed "Al Capone style" bullet proof testing with a Tommy Gun on the side of a Cybertruck did not result in any penetrations into the passenger compartment; assume .45 ACP by definition.
Never dabbled in that caliber ammunition, although it is still an awesome round. It appears 10mm though has taken it's place.This is why we have the .38 Super. The .45acp wouldn't penetrate the old car bodies either.
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