Hey,
Based on a previous reddit of
You can compare 2 or more ammo type by pressing CTRL and clicking on labels on the bottom.
It's also automatically up to date based on the gamepedia page.
Here the link
Tell me what you think, and I hope that will help some of the beginners!
Source: https://www.reddit.com/r/EscapefromTarkov/comments/f04ioj/dynamic_ammo_graph/