but owner travis morgan says this year it's different. >> nobody is sure what the law's gonna be, how it's gonna be, when it's gonna be written, what you've got to register. it slowed down. >> reporter: that's because a new law makes many of the guns he once sold and many of his customers still use illegal. until this year ar rifles equipped with so-called bullet buttons were exempt from california's assault weapon ban even though they have a detachable magazine with the features of a military-style gun. that's because you need a tool, usually a bullet, to release the magazine rather than just the push of a finger, making them slower to reload. but that didn't slow down the san bernardino shooters in december of 2015. they managed to gun down 36 people in a span of three minutes. so lawmakers in sacramento took action, closing what the department of justice now calls a loophole in the law. now bullet button ars can no longer be sold. there is an exemption for people who lawfully owned them before the beginning of the year. >> last time mr. brown vetoed it. this time he didn't. he is a

travis kalanick is out after a series of scandals. demarco morganas more. >> it's how uber connects with diversity is through adversity. >> reporter: after building a nearly $70 billion empire in less than 10 years the cofounder and chief executive travis kalanick is out at uber. >> this is a tricky balance of this kind of business. >> reporter: his resignation comes after the company had a number of missteps including a sexual harassment controversy and a federal probe into uber's alleged use of software to avoid some law enforcement. kalanick has been at the center of controversy including a heated back and forth with an uber driver caught on camera in february. >> this is the whole business. [ indiscernible ] [ yelling and cursing ] >> reporter: in a statement to the "new york times" he wrote: i love uber more than anything in the world. and at this difficult moment in my personal life i have accepted the investors request to step aside. >> i guess at the end of the day we felt like we were good people doing good work. >> reporter: say kalanick w

demarco morgan shows us what's next for the company. >> reporter: travis kalanick is still on the board atbe it's been a turbulent six months for him. known as a brash executive who at one time seemed untouchable, he is now on the outside of one of the most successful start-ups in recent memory and it comes at a pivotal time for the company. >> it's how uber connects with diversity is through diversity. >> reporter: he built a nearly $70 billion empire in less than a decade. travis kalanick is out at uber. >> this is the tricky balance of this kind of business. >> reporter: his resignation comes after the company suffered a number of missteps including a sexual harassment controversy and a federal probe into uber's alleged use of software to avoid some law enforcement. kalanick himself has been at the center of controversy including this heated back and forth with an uber driver caught on camera in february. >> the whole business. >> what? >> you drop the prices on blacks. >> yes, you did. $20. >> kalanick wrote, "i love uber more than anything in the world my personal life i have accep