10/17 Armscor/Rock Island Armory 1911 22 TCM, 9MM Magazine. Comes with open retail packaging a magazine block has been installed, to only allow 10 rounds in the magazine. The floor plate will be glued as well.
THIS MAGAZINE IS FOR EITHER FULL SIZE OR MID SIZE 1911 A2 MODELS CHAMBERED IN 22TCM OR 9MM WITH AN EXTENDED MAGWELL.