Pick a spot, get as low as possible, stay still and wait.
You see a movement, aim, up scope, fire....oh, wait, too twitchy, he's your guy....try the guy chasing him *BAM* yeah that works.
I prefer CQB to snipers.
If it's a 1on1 sniper battle, that's another thing altogether, but CQB all the way..
i use the type 88 sniper with a 4x optical scope for cqb, it takes 2 shots to kill so its best for cqb.
lol, sniper's defeat the point of CQB...