The headshot damage (drop-off damage) of the Deagle and Python is to low (to high).
These guns are hard to use (not including close range spamming).
Headshots should be rewarding when hit at medium to long range.
The reality is that at longer ranges it takes 1 HS and 2 shots to the body to kill someone at full health
and that is unlikely to happen due to aimpunch and no option to put sights on secondarys.
Increase the damage of headshots (or reduce the drop-off damage) to make the guns more skill based and fun to use.
This video should demonstrate what I mean.
Sorry for bad englisch