SACRAMENTO (AP) — Another California bill seeks to close a legal loophole that allows firearms to include “bullet buttons” to rapidly exchange empty ammunition magazines for full ones.

The Senate bill announced Wednesday by Democrats Steve Glazer of Orinda and Isadore Hall of Compton joins similar legislation introduced last week in the Assembly.

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SB880 would add military-style semi-automatic weapons with detachable magazines to the list of guns prohibited under California’s assault weapons ban. Gun owners could keep weapons they already own if they register them with the state.

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Hall also proposed a separate bill allowing sheriff’s offices and police forces to provide security at private schools, colleges and universities.

Lawmakers have introduced numerous gun control bills this year following a deadly terror attack involving assault weapons in San Bernardino last month.

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