Here you go, if you haven't seen it posted yet. hh: http://www.xpgamesaves.com/topic/65358-crysis-3-geared-up-attachements-achievment-save/
Your welcome , I did not create it, only directed you to it. Make sure to give thanks to the creator to hh:
Dang. I just recently put up a file for that achievement too. Link: http://www.xpgamesaves.com/files/file/3701-crysis-3-geared-up-achievement/