Yup...i recently installed a Rise drop in and accidently put the stock trigger pins in like i normally would after a proper cleaning...cycled the rifle and pins fell out lol...i went wrll no shit dumb **** lol....instslled the right pins while a laughed at myself lolAnti walk pins… make sure it is the right size pin… double check that it is installed correctly. make sure you have the legs of your hammer spring OVER the pin, not under