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In 2022, Washington enacted a prohibition on the manufacture, import, distribution, and sale of any large capacity magazine defined as an ammunition feeding device with the capacity to accept more than 10 rounds of ammunition, or any conversion kit, part, or combination of parts, from which such a device can be assembled if those parts are in possession of or under the control of the same person.

As the prohibition does not apply to possession, people who owned large capacity magazines before the ban are entitled to keep them.


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