They're is a sniper rifle called the victory rifle you can find it at rock breakers last gas when you get there they're is a shack on top of a hill go to the shack and enter it there should be a locker you have to pick it but the lock is very hard in the locker is the victory rifle it takes a .308 round
[Edited by realites, 8/26/2009 12:52:06 PM]
It should also be noted that the victory rifle knocks enemies down (basically a stun) when it gets a critical hit.