Yes I need this!
Nope!
I find it hard to know which gun is best as DPS is a bit of a lie, this would be made easy if in the shooting range there was a total damage given target, which would add up all the damage shot at it.
So if you imagine a target in the shooting range with a counter above it, which added up all the bullet damage shot into it, which you could then hit a switch to reset.
It would take into account headshot and crit damage.
I think this would give people a better idea of what gun would be best for them.