Powder River Precision Springfield Echelon Trigger Black Trigger/Black Safety Springfield Echelon. Our unique design offers the benefit of a flat faced trigger and the curved section at the bottom helps position your finger consistently on the trigger. The trigger and trigger safety are precision CNC machined out of 6061 Aluminum and anodized. The combination of parts reduces trigger take up by about 60percent total trigger travel by about 46percent and reset by around 20percent. made in specialized factories. Specifications for Powder River Precision Springfield Echelon Trigger: Manufacturer: Powder River Precision Fabric/Material: 6061 Aluminum Trigger Shape: Hybrid Flat/Curved Trigger Pull Weight: 3.5 lb Gun Make: Springfield Armory Gun Model: Springfield Armory Echelon Package Contents: Powder River Precision Springfield Echelon Trigger What firearm models does the manufacturer say Powder River Precision Springfield Echelon Trigger is compatible with? The manufacturer suggests that Powder River Precision Springfield Echelon Trigger is compatible with Springfield Armory EchelonPowder River Precision PRP-ECH-TGR-A-B: Springfield Echelon Trigger Black Trigger/Black Safety Springfield Echelon