http://vignette2.wikia.nocookie.net/destinypedia/images/3/30/Red_Death.jpg/revision/latest?cb=20150418095619
That's how you fix Red Death. No reactive reload. No range buffs. No fancy bs. Just a complete revert to the day one version of it. There are only 2 current weapons in the highest impact pulse category, and red death would make 3. And it would be a monster with the new rate of Fire buff.
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No the stability is too low