From Prima Games:
We compiled a list of the top seven weapons you don’t want to pass up if you come across them on the battlefield. Pick these up at all costs, even if just to keep them out of your enemy’s hands. Just remember to do your best to properly pair it with your existing weapons. Don’t end up with two snipers or two shotguns, severing your ability to compete in specific combat scenarios unless you properly weigh the risks. Hit the link below for the full article!
Halo 4 Tips - Top 7 Weapons