Considering the fact that your 22 brief journal has no markings It is far from from Winchester. I have never observed a 22 small journal which was not exactly the same exterior dimension as 22lr mag. I am able to’t imagine how a mag, like you described, could likelihood be https://highimpactrounds.com/product/winchester-super-x-20-ga-2-75in-20-pellets-3-buck-1200-fps-5-rd-box/