This is a Geissele Automatics Trigger known as the Super Tricon, model 05-230.
Designed in cooperation with Jeff Gonzales former Navy SEAL of Trident Concepts" the Super Tricon Trigger comes standard with a two-stage design for safety and control; a carrot-like 2nd stage break; full-power hammer spring; tool steel construction; and unique trigger bow design with ribbed surface.
Features:
TYPE: 2 Stage 1st Stage Weight: 2.5lbs.2nd Stage Weight: 2.0lbs.Total Pull Weight: 4.5lbs.
