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MDX Arms G17 V2 (No RMR) Series Build Kit without JIG

These are called BUILDERS Kits and not called “Assemble Kit” for a reason. You will need to file/sand/polish p80 frames/parts in order to make it work. Esp. for the subcompact, almost 100% of the time you will have to modify the locking block. If you are not capable of doing this then DO not buy these kits.