Due to the fact your 22 shorter journal has no markings it is not from Winchester. I have never seen a 22 short journal which was not the exact same exterior dimension as 22lr mag. I'm able to’t think about how a mag, such as you described, could likelihood be https://highimpactrounds.com/product/winchester-super-x-20-ga-2-75in-3-4-oz-rifled-hollow-point-slug-1600-fps-5-rd-box/