It hit me that that sound would suit the weapon so well.
I know the rest of the BO1 shotgun sounds are pretty gnarly too, so that should be enough to fit all the shotguns in payday 3.
Here's how that sounds: https://www.youtube.com/watch?v=QhS2PE2vWwc

I'm thinking the spas would be enough, but if you did all of them, that'd be ballin'