It's not supposed to give 3 Grenades. The perk of starfire protocol is there so you can have 2 perks of that tree selected so you can be even more deadly.
English
-
The starfire protocol perk isn't the same as gift of the sun. It will only work on fusion grenades.
-
I know. I have a fully upgraded one.
-
So it isn't necessarily having 2 perks on the tree if you use something other than fusion grenades, is all I'm saying.
-
It all just depended on your personal play style.