Some time back they 'corrected' some gear that used to buff the Kinetic Damage of this rifle by changing it to buff only physical (which isn't the same). But I don't know all the gear options that well especially since I haven't been playing for while.
So, basically the question in the title
Comments
I really can't think of anything else off the top of my head.
normal text = me speaking as fellow formite
colored text = mod mode
Then Imperial Navy Armor has been changed to affect only energy damage based secondary attacks from the tool tip. Blood of the Warrior may work, but offers a only a small bonus.
Looks like they were rather successful at removing all buffs for this weapon.
Set Powers
Set 2: Reactive Barrier
Reduce recharge time on all secondary weapon modes by 15%
Combine with Temporal/Commando Spec for really fast 2nd shot recharge times.
Protonic Kool-Aid Down The Drain Cruiser
Immortal BOff Skills combo for Ground
Now elite tactical drones, those take a few more shots to kill, and you don't want to get too close to them. Still fairly easy to take out with the TR, tho. The sniper shot takes a big chunk out of them.