It can be fixed with staking or soldering. A small product would be that the pin which retains the firing pin spring cap tended to operate free, and had to be tapped back in place as 1 saw it project from the rear of your bolt. Winchester replaced that pin https://highimpactrounds.com/product/winchester-ammunition-long-beard-xr-20-gauge-3in-6-1-1-4-oz-shot-lok-lead-1000fps-10-rd-box/