A drop in, Pistol Caliber Carbine complete assembly trigger. Pull weight 2.5 - 3 pounds. The trigger makes use of your carbine's original hammer/trigger pins as well as safety. Product Features A drop in, complete assembly trigger Pull weight 2.5 - 3 pounds for both curved and straight shoe models The trigger makes use of your carbine's original hammer/trigger pins as well as safety Straight trigger shoe No gunsmith needed, easy to install Ready for the range, no adjustments needed No additional parts needed to install trigger Trigger shoe options to fit your feel/style Trigger allows you to become more accurate with your rifle