Completed legendary and didn't unlock mark vi

I completed the legendary campaign solo and got the achievements for it but I didn’t unlock the helmet. Is there anything I can do?

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nope live with it. little complaining -Yoink-.

Were you offline? You need to be online to unlock it

> .

He was only asking a question no need to be so harsh. OP check your campagin commendations to see if one of the missions never counted.