Halo 5 content not unlocking

hi I have completed mcc on legendary and I did not get helioskrill of mark 4 scarred but I got mark 4 normal and I got no achievements for it so could you put them into my account or just tell me a way to get them without doing it all again thanks

Click this link for instructions.

> 2533274824050480;2:
> Click this link for instructions.

^