Timney Triggers 682ST: Timney\'s AR PCC Trigger is a drop in, complete assembly trigger and is factory tuned for pull weight, with no creep. It makes use of your rifle\'s original hammer/trigger pins as well as safety, and allows you to become more accurate with your rifle. The 2-stage trigger features a pull designed specifically for those who prefer two-stage triggers in AR pistol caliber carbine rifles. This model features a straight trigger shoe.