Given that your 22 quick magazine has no markings it is not from Winchester. I have never witnessed a 22 small magazine that was not the identical outdoors dimension as 22lr mag. I'm able to’t picture how a mag, like you explained, could likelihood be secure when inserted. A photograph https://highimpactrounds.com/product/winchester-xpert-20-ga-2-75in-6-3-4-oz-1325-fps-game-load-25-rd-box/