KAC-Knight's Armament Match 2-Stage Target Trigger, 4.5 Lb (25362)
Match two stage trigger group. Fits 0.154" diameter pin receivers only. Pins not included, does include hammer and trigger springs. Adjustable for trigger overtravel and weight. Preset to a breaking weight of approx. 4.5 lb.
Optional 3.5 lb. disconnector spring is available here