More reserve ammo, I think it would be the best primary in the game.
High damage output, high stability, fully auto, and what a lot of people don't seem to realize is that it bypasses all enemy shield types (yes, even arc and void shields).
Only drawback is the damn thing is an ammo whore. But other then that, the gun is amazing. Doesn't get enough love in PvE IMHO.
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I agree