It could be fastened with staking or soldering. A little product would be that the pin which retains the firing pin spring cap tended to operate free, and needed to be tapped back again in place as just one noticed it job within the rear of the bolt. Winchester replaced https://highimpactrounds.com/product/winchester-super-x-270-win-150-gr-power-point-2850-fps-20-rd-box/