Wasn't sure if I was doing something wrong or if some of the achievements currently have problems. I was playing some Halo: Reach recently as it had been a few months and I figured I would do some housekeeping on the achievement side of the game. I started my solo legendary run (ffffffuuuuuuuuuu) and also jumped into the multiplayer again. Specifically three of the achievements are being a pain in the ass and not popping:
Wasn't sure if any Bombers could give me some tips as to what I might be doing wrong or if there really is a bug with these. I am playing in matchmade games.