[2020] I think I found the closest thing to a last word in Destiny 2 (in terms of damage and fire rate)

https://gfycat.com/BonySimilarIrishsetter its just Lucky Pants exotic boots and switching every shot.

Not trying to self promote but i made an entire video of me doing this https://www.youtube.com/watch?v=UnBdDCv5sLI&t=6s