User blog comment:Bovell/New Modern Warfare 3 teaser trailers released!/@comment-174.254.85.130-20110514222702

4 or 6 factions total & each faction will have a set of 10 total (3 assault,3 smg,2 lmg,2 sniper) ,so 60 guns total would make a lot of variety in the multiplayer..new perks n equipment ,more controllable killstreaks..