I have two RI 1911's (10mm and .22TCM/9MM) and really like both guns. Had to replace the mag catch on the 10mm but other than that no issues. I just wonder about .22WMR in any autoloader, not a great track record. You might post on some of the 1911 forums to see if anyone has any first hand experience. The .22TCM round is very potent and can be had with the hicap 17 round magazine.

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Jim
Many K and N Frames