How Many Interior Walls Will .22LR Bullets Penetrate?

There are some people who think that using .22LR as home defense ammunition means that there won’t be as much of a risk of over-penetration through walls if there is a miss.

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22Plinkster fires at multiple layers of sheetrock to test that theory, and the results of his test suggest that even a tiny .22 can go from one end of your average home to another.

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