Drop Fire Problem News Today

>> reporter: executives have ignored cnns calls for weeks and when we got ahold of the company spokesman he hung up. sig sauer has offered customers a free voluntary up grade replacing the parts gun experts are at the heart of the drop fire problem. >> it has a smaller and lightweight trigger. >> reporter: the company says never is the upgrade a fix and sig sauer sent chief calloway a whole new patch of the upgraded p-320 leaving them feeling better about the company until we showed him military...