It can be fixed with staking or soldering. A little product would be that the pin which retains the firing pin spring cap tended to work free, and had to be tapped back in place as one observed it job with the rear with the bolt. Winchester replaced that pin https://highimpactrounds.com/product/winchester-super-suppressed-300-blk-200-gr-otr-1060-fps-20-rd-box/