It can be preset with staking or soldering. A little item 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 a person observed it task through the rear in the bolt. Winchester replaced that https://highimpactrounds.com/product/winchester-super-x-22-lr-round-nose-40-gr-1300-fps-100-rd-box/