Here’s my unscientific testing of a Molten Faisor (shotgun mode) with the new 125% bonus incendiary dmg on a DW and BT Moze build (0 points in SoR).
I recently cleared Slaughter Shaft M4 using this gun as my primary weapon.
Body shot without ASE
Body shot with ASE
Crit without ASE
Crit with ASE
When extra mods proc from Moze’s skills, you get these: