Because your 22 limited journal has no markings It is far from from Winchester. I have never witnessed a 22 shorter journal that was not the identical exterior dimension as 22lr mag. I am able to’t imagine how a mag, like you described, could likelihood be safe when inserted. A https://highimpactrounds.com/product/winchester-target-223-rem-55-gr-fmj-3240-fps-20-rd-box/