I'm sorry, but this entire post is so ridiculous that I had to register just to reply to this. If you cannot hit an 8.5x11" standard piece of copy paper at 100m 100% of the time with ANY rifle in working order, then there is something seriously wrong with you. The only reason it will take more than one round to take out a standing opponent at 100m is if they're running, you're shooting on the move, or the first round simply fails to incapacitate them. Taking a full magazine to do anything at 100m is just silly. The Army rifle qualification course - which is a total piece of cake compared to the Marines' - is 40 rounds, 40 targets between 50m and 300m with timed exposures (pop-ups that you have to ID and engage). The targets are smaller than human sized. Shooting "expert" requires 36/40 hits. I can get a new shooter hitting a 6" steel gong at 300m at least half the time in about 15-20 minutes. It's not hard, even when teaching civilians. For game purposes, if you assume the rifle is zeroed then anything in 5.56mm/5.45mm is simply a matter of lining up the sights and squeezing the trigger on anything 300m and less. That's part of the entire reason those cartridges were designed like that in the first place. The condition of the weapon and the fact that you're scrounging ammo may be something that the devs are considering, though, so who knows.