A surge of illegal homemade machine guns has helped fuel gun violence in the U.S.
The ATF says a proliferation of tiny pieces of plastic and metal is fueling a spike in semi-automatic handguns converted to fully automatic fire. They’ve been found in states across the country and used in mass shootings.
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Devices known as Glock switches, auto sears and chips allow people to transform legal semi-automatic weapons into even more dangerous guns.
