So is it basically glorified Crowd Control with an extra Instant Reload perk thrown in? If so, that's sucky. It'd be kinda nice to have something unique for it. No idea how easy this will be to change but a change would be no doubt welcome.
I've got no real experience in balancing (of course) but perhaps give Bad Juju more impact so that it's perk really has some punch.
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I'd leave the stats intact as they are ok for a pulse rifle. My take on improving the BJ would be to increase the clipsize to 21 and change the hipfire perk for mulligan. That would make the BJ a very good weapon against hords of minions without overall changing it too much and shift it's focus to a different role. BJ was never meant to be a boss killer. But to fullfil it's designated role as a minion slayer it needs to be more steady.