Just before leaving for a month-long European vacation, Gov. Jerry Brown of California signed six gun-control bills into law on Friday — one that requires ammunition purchasers to undergo background checks.

Brown, the Golden State’s most prominent Democrat, vetoed five other measures, including an expansion of the use of restraining orders to take guns from people deemed dangerous, The Los Angeles Times reported.

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“My goal in signing these bills is to enhance public safety by tightening our existing laws in a responsible and focused manner, while protecting the rights of law-abiding gun owners,” said Brown in a message.

The approved bills would ban the sale of semiautomatic rifles that are equipped with bullet buttons allowing the ammunition magazines to be easily detached and replaced.

The vetoes included a bill that would have permitted co-workers, mental health workers, and education officials to petition the court for a “gun violence restraining order” for people judged a danger to themselves and others, The Times noted. These orders would allow guns to be confiscated for a year.

Brown’s action comes just a day after the state legislature approved 12 gun-control bills that were introduced in response to the San Bernardino shooting last December that killed 14 people. After the Orlando massacre last month, the bills gained legislative momentum.

As noted by The Los Angeles Times, the bills the governor signed will:

  • require those who make guns at home to register them with the state and get a serial number for tracking;
  • require an ID and background check to purchase ammunition and create a new state database of ammunition owners;
  • ban possession of ammunition magazines that hold more than 10 bullets; and
  • restrict gun lending without background checks to close family members.