On wounding shoots a "you go down and need a team mate to get you up" system would be better, I think. Similar to L4D or something, but without the ability to shoot back of course. Shooting the downed person again while he was down would kill him.
Basically you could get the "Full Metal Jacket sniper scene" scenario.
Full Metal Jacket sniper scene
Basically you could get the "Full Metal Jacket sniper scene" scenario.
Full Metal Jacket sniper scene