The state Senate on Thursday approved sweeping new restrictions on using guns in California in response to the December mass shooting by two terrorists that left 14 dead in San Bernardino, reports the Los Angeles Times.

Lawmakers approved 11 bills including measures mandating background checks for Californians buying ammunition and outlawing the manufacture and sale of semiautomatic rifles with detachable magazines.

The bills, which next go to the Assembly for consideration, represent the most ambitious effort at gun control in decades in California, which already has some of the strictest gun laws in the nation.

Gun bills have traditionally had a harder time in the Assembly, but Assembly Speaker Anthony Rendon said this week he is committed to pushing them through. The bills also must pass muster with Gov. Jerry Brown, who has vetoed some gun control measures in the past that he felt were overreaching.