It is well known that different weapon types are damage wise effective, less effective, or neutral against the different shield types. Now I would like two know how much this difference is, like in percent, given that neutral is 100 percent damage.
20% for almost everything, but on disco pulses were made to only be 10% different. You can set it in the ini files somewhere, I don't remember precisely where though...
The Gun Damage listed in Infocard is for the Basic Damage, So, The Gun will do the listed damage Percentage depending on the shield it's being fired on. Here is a Complete list of Weapon-Shield math;