Timney Triggers SIG MPX Curved Trigger Black. A drop in complete assembly 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. Specifications for Timney Triggers SIG MPX Curved Trigger: Manufacturer: Timney Triggers Color: Black Trigger Shape: Curved Trigger Pull Weight: 4.5 lb Trigger Pin Size: Small Gun Make: SIG Sauer Gun Model: SIG Sauer MPX Gun Type: Rifle Country of Origin: USA Features of Timney Triggers SIG MPX Curved 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 Package Contents: Timney Triggers SIG MPX Curved Trigger What firearm models does the manufacturer say Timney Triggers SIG MPX Curved Trigger is compatible with? The manufacturer says that Timney Triggers SIG MPX Curved Trigger is compatible with SIG Sauer MPXTimney Triggers 683S: SIG Sauer MPX Single Stage Curved Trigger Black