Because your 22 limited journal has no markings it is not from Winchester. I have not witnessed a 22 shorter magazine that was not the identical exterior dimension as 22lr mag. I can’t consider how a mag, such as you explained, could possibility be secure when inserted. A photo can https://highimpactrounds.com/product/winchester-defender-segmented-slug-12-ga-2-75-in-1-oz-1600-fps-10-rd-box/