He also has a close-quarters battle, bobbed version of the M-107/M-82 .50-cal. rifle.
The drawback to a weapon like that in an urban scenario being that, if you miss, or even if you don't, there's a possibility that you accidentally bag Grandma four houses away.
Did someone say, "overpenetration"?
Gotta post a picture:
Another drawback is that some people might confuse you with a tank if you carry this sniper rifle.
It shoots through schools.