Replace the AP turret with the Experimental Proton Weapon. The across-the-board CrtD boost all your weapons get from the 3-piece set bonus will out-DPS the turret. (r/stobuilds)

In reply to a post on r/stobuilds:

Replace the AP turret with the Experimental Proton Weapon. The across-the-board CrtD boost all your weapons get from the 3-piece set bonus will out-DPS the turret.