Is it physically possible to be low Iron MMR?

Is it possible? I've NEVER seen an account with a low Iron MMR or even an iron mmr i think. I've seen several Iron 4 accounts with over 100 games, but they seem to be on Bronze 2-4mmr. It seems it cap at B4 MMR to prevent horrendously long que times. Because the player distribution in Iron is around 2%. Which would make an iron MMR que equalent to high diamond ques. But back to topic, is it possible?
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