• Navigate to the folder: 'program files\steam\steamapps\common\call of duty modern warfare 2\players' and open the file config_mp.cfg

• Change scoresping_interval from 100 to 20, and scoresping_maxbars from 4 to 10 (10 is the max).

• This means that each of the 10 bars represents 20ms, with full green being 20ms or lower, and 1 red being 200ms or higher.

Here is what it looks like:



I've done it and it works