Timney is the market leader for Sig replacement rifle triggers! A drop in, complete assembly trigger Available as either a curved or straight trigger The trigger is factory tuned for 4.5 lb. pull weight, with no creep The trigger makes use of your rifle's original hammer/trigger pins as well as safety Single stage trigger Trigger allows you to become more accurate with your rifle No gunsmith needed, easy to install Ready for the range, no adjustments needed No additional parts needed to install trigger Crisp feel Mfg: Timney