This video compares the 5.7x28mm and .22 TCM cartridges by testing their impact on patio blocks. Both rounds, fired from their respective handguns (Ruger 57 and Rock Island Tac Ultra) at 8 yards, initially created significant damage. After multiple shots, the .22 TCM completely disintegrated its block, while the 5.7x28mm block remained in larger pieces, declaring the .22 TCM the winner in destructive power.
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