Burst Fire maxed. Now what?

But how do you know that for sure? I need to see some numbers. The skill description in all its glory just says 200%, not +200%. So I wont know what to believe until i test it myself or someone else does.

It's either multiplicative or additive, and there's no way in hell level 1 is going to make the skills do .06 * 160%. It's additive. My own experience and fiel saying so as well should be more than enough for you, right? xD