Your spec is terrible for direct damage. First you have decided to boycott one of our highest damage most cost efficient abilities because it "is not worth 6 points." Personally I happen to like an ability that can crit 3 times for 2500+ apiece and leave me with more ammo than i started with. Second no cell charger? Our biggest problem is ammo management in order to sustain a high level of damage output.
Next we have demo round which is one of our best abilities in pvp due to its instant cast, high damage on a short cooldown. Burst damage is king in pvp.
You do not have the healing of a full healer, or anywhere near the damage of a full dps. If you plan on playing a support character, what is grav round bringing that makes it worth giving up so much in the healing tree? Yes it does slightly more damage than charged barrel and has an armor debuff but you are not trying to kill anything anyway. You are trying to support others while they do the killing.