Originally Posted by
evert
According to what I have observed, there are basically three versions of the supersport/lightning/superstar trigger:
-Early Supersport, with plastic trigger grip with no pseudo two stage. A variation of this was also used on the Meteor Mk5.
-The first pseudo two stage with machined aluminiuim trigger grip, used on some later Birmingham Supersports, Lightnings, Superstars and the Custom Supersport. I believe some of these were "gold" anodized, while most were black.
-The latest cast metal pseudo two stage trigger grip. This was more rounded than the machined aluminium version, and used on Birmingham guns and the early spanish made guns. Models I've seen the on are Supersports, XL lightnings, Supesport Tactical and XL Tactical.