Can't get IMC elite achievement.

I won every game I played until the last campaign. I lost but immediately replayed as IMC and played the entire match winning by over 150 points. Still says I have 88%. I've now replayed the entire IMC campaign, winning all of them, and still no progress.
What to do? (29 and 3 w/l for my games, so I know I've completed it) should I just accept that I won't get it?

:)

 

What's your best game/most kills so far?

In general it was just a great night. I got my Headsnapper achievement, my 50 campaign matches achievement, and both my Elite IMC and Elite Militia achievements. Was on fire! Now I'm helping my friends get them. Love this game!

 

Achievements not unlocking

Today, for the first time, i completed the IMC campaign. Also managed to win all the matches. I got the "elite IMC pilot" achievement for winning them, but not the "IMC pilot" achievement for the completion. Also today, i completed all the challenges for
the carbine, but the achievement didnt unlock. Nothing i can do?

 

No i played through and was convinced i won every game as the IMC and Milita but on both of them i had not completed the second level try that a few friends it was also the second level not sure why??

 

So I went back today, went to the one level I lost on (Made Men). Replayed it and received the achievement. After playing it and winning 4 more times yesterday. Gosh, what a lovely and totally non bugged system.