Rosco Manufacturing's "Bloodline" series is our hardest working category. Whether you are an occasional builder, tactical shooter, or Law Enforcement Officer we have a product that will fit your needs. All our Bloodline accessories are designed to take the abuse from unconventional wear and tear that our customer may need to inflict on their platforms. This is the only way that we can make sure that we are producing a product that will perform time after time under the most austere of conditions. We are setting out to re-define the rules and we plan on letting our work do the talking...Complete your build with this two-stage trigger with a flat non-reflective phosphate finish. The two stages of this trigger consist of an initial 2lb pull that brings you to a "wall", where the hammer and trigger are set to break for the shot. After that its only 2.5lb pull to fire, helping to make accurate shots with short resets in between.Rosco Two-Stage Trigger/Hammer includes:TriggerHammerDisconnectHammer springTrigger springDisconnect springHammer pinTrigger pin