The Garaysar PTC1STANDARD is a highly effective Precise Trigger Control (PTC) designed to replace any standard trigger guard on an AR rifle\'s lower receiver. This include the presence of set screws and a unique screw positioned underneath the grip, specially made to eliminate unnecessary pre-travel and post-travel of the trigger. This improvement essentially gives your mil-spec trigger the feel and performance of a high-end drop-in trigger, and, in turn, significantly enhancing your shooting prowess. By providing better accuracy, minimising the chance of trigger movement mistakes, and increasing shooting speed, the PTC1STANDARD is truly an exceptional upgrade. This ultimate Precise Trigger Control unit is poised to elevate your competitive and recreational shooting encounters. Whether you\'re involved in hog hunting or a three-gun competition, the PTC1ATANDARD is indeed an indispensable addition to your AR rifle.