These plots represent weapon accuracy in terms of recoil and spread.
There's 7000 five shot bursts simulated in each picture.
Bursts are fired in full auto while aiming down the sights, standing and not moving.
The accuracy plots are not in any scale, but you can use the range tester
to see how it looks like with a 1.85 meters tall soldier silhouette at any distance.
There aren't plots for bolt action sniper rifles or shotguns.