From NBC LA:

More than 7,000 handguns, rifles and other weapons were destroyed Thursday as part of the Los Angeles County Sheriff Department’s 23rd annual Gun Melt event, authorities said.

Sheriff Jim McDonnell‏ joined other law enforcement officials at the annual event Thursday morning at the Gerdau Steel Mill in Rancho Cucamonga, where more than 180,000 firearms have been destroyed over the past 23 years. This year’s event marked the largest gun melt since the program’s inception more than two decades ago, according to authorities.