California politicians’ attempts to strengthen some of the nation’s strictest gun laws suffered two setbacks this week — the latest when a federal judge blocked a law set to take effect Saturday barring gun owners from possessing ammunition magazines holding more than 10 bullets.

They present new challenges for freshman state Attorney General Xavier Becerra, who took office in January. He’s running his first statewide campaign as he seeks re-election next year to the post he now holds by appointment after his predecessor was elected to the U.S. Senate.

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The new developments do little to change the political landscape or voters’ strongly held opinions, and they may help all three Democrats campaigning in a state where gun restrictions are popular, Stanford Law School professor David Sklansky said.

“But it’s also not an issue that will wind up dividing them much from other Democrats who are running for office,” Sklansky said.