Hiperfire Hipertouch Reflex, Trigger Assembly, Fits AR15/AR10, Virtually No Take-Up/Pre-Travel, Adjust Pull Weights Of 2.5 And 3.5 Lbs, Black Finish HPTR Hyperfire Triggers are a significant upgrade from the factory AR-15 Trigger and they provide a crisp" clean trigger break" short over-travel and positive reset you can feel and hear.