Utilizes the ERLL quirks (-5% ERLL Heat Gen) and instead of 4xSL, 2xML are used for added range so that you don't have to get so close for full damage and also slightly better heat management (-10% Energy Heat Gen). You can also set it up with 2ML in CT and then an ERLL in each ST (my current setup, make sure to use arm lock) - OR - an ML in each side torso, and one ERLL in arm and other in CT.Just depends on your playstyle.