Notably while all three use the same L8 components for their respective ammo, the Enforcer's Retort is the only one where the ammo itself is L8; the Smuggler's Recourse and Scouts Revenge ammo are both L6 which is a significant disadvantage.
The Scouts Resolve VIII might be related to these, although it is unalike in that these others are race & class restricted. It was likely replaced by the Scouts Revenge.