as ktvu's allie ramuss tell us, the event was supposed to last four hours but because it was so popularhey had to extend the hours. >> i don't ever used guns any way, so just trying to do a good dead. >> reporter: officers hauled away armloads of rifles. gun owners could get $300 in cash depending on the weapon they turned in. >> if gun control advocates want to give me 100 bucks for something that's collecting dust, that's all right with me. >> reporter: authorities recovered 111 handguns, 227 rifles and 11 assault weapons. >> when people are bringing in these guns it will contribute to the reduction of violence and that is our goal. >> reporter: protect our kids donated $50,000 to fund the program. they want to study the results to find out how effective gun buy backs are in reducing crime. son gun owners were skeptical. >> i feel it's probably a small margin of people who actually are going to be causing issues with the guns. if you look back there, i don't think a lot of those people are the people causing trouble. >> reporter: other gun owners disagree. >> what if someone were to b