In Halo 3, can you complain to bungie because I had security shoulders armor...

[Jacob]

...and the next day it's lost?
I got 750 G score and was not hacked.

 

[Dick Husky]

its called a h a c k.

 

[Duey Q]

You need at least 750 halo 3 Gamer score but they are known to be buggy and randomly unlock, and lock again at other times. If you have not gotten 750 gamer-score then do that and you will have them permanently