I bought a few 20 round Colt mags really cheap from a guy that had some damage to them. This one had the floorplate retainer deal broken off the inside. Once I got all the welds cleaned out, it left it with these holes, as well as the holes that the interior piece originally covered. I'm replacing the bottoms with ranger plates, so the retainer piece isn't important. Is it ok to still use this mag with the holes?

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