This is a TangoDown Trigger known as the Vickers Tactical, model VTCT-002 BLK.
There are very few modifications you can perform to your pistol that will reward the effort as the VTCT Carry Trigger. Try one" see your accuracy improve and you won't go back. Know that it is as rugged as your Glock" and will always have your back.
Features:
For Gen 5 Only
Injection Molded
Flat Face Trigger