My Raven does 1000 DPS with T2 rapid heavy missile launchers and 690 DPS with T1 with Caldari Navy Scourge MIssiles. Thats with Caldari Battleship at level 4 and three lots of Ballistic Control II. Even with Ballistic Control I, I still get 623 DPS. So I’m not sure why you only get 500 DPS.