Beijing 2008

Credit goes to: LiamW92

In 25m Rapid Fire Pistol score 10's for all shots in a round
You will get a huge advantage if you can get your breathing ‘Perfect’ or ‘Excellent’, otherwise it will be a bit more difficult. Once you get your breathing sorted only apply horizontal direction to your crosshair. You should find that there will not be much vertical movement. Time your shots to hit as close to the centre as possible. It may take a little bit of practice, however this shooting discipline is by far the easiest, it will not take too long to master.

In addition to the solution above here's a video showing you hows it done. All credit goes to StumpedGamer for this video.
Hope this helps and good luck.

Easiest one i got,click right trigger near centre for your breathing......if you get excellent you can pretty much just go from right to left pressing right trigger to shoot.........nailed this the second time i played this event