“Look out, everybody, things are about to get awesome!”
As a rocket launcher wielding foe, Badass Enforcers should be engaged at a distance. The armor is easily worn out by corrosive damage - after that, incendiary attacks should be used for maximum efficiency.
One tactic used against Badass Enforcers is to have a waist-high obstacle in between. With careful positioning, Vault Hunters can force Badass Enforcers to fire their weapons at close range and in the process, inflict massive amounts of damage to themselves.