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Apparently dumbbells aren’t just for getting swole in the gym. Thanks to YouTuber Ballistic Machinist, we’ve discovered another use for them: doing some serious damage as shotgun shells.

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Working with Detroit Machine Tools, the shotgun shell designer was able to craft a dumbbell-shaped shotgun slug, and it’s pretty surprising how well it performed.

First, he takes aim at a simple paper target and has no problem ripping through his mark. Then, it’s time to put this slug to the test, and what better way than to shoot up an old mini fridge?

The dumbbell-shaped slug tears through the mini fridge with ease, first from only a few feet and then from around 40-45 yards.

Talk about packing some serious heat.