PKM is the issue that we are running into out here. Yes, we've all seen 'ghans shoot from the hip and even the better trained ones (often ex-ANA/ANP) will run and fire after those first few well aimed shots.
However, with the air war over, we are frequently running into entrenched ambush and sniper positions with extremely effective PKM and Dragonov fire.
It's slightly off-thread but I'm linking the following:
Well written article about what we are dealing with