HIPERFIRE(R)'s Top-of-the-Line AR Trigger Eclipses the Performance of Other Offerings Nickel Bliss(TM), Electroless Nickel Boron (NiB) Done Right Exceptionally Smooth Feel Enhanced Corrosion Protection Polished Look Virtually No Take-UpBONUS BENEFITS Cam-Over Toggle Engine(TM) Very Hard Hitting Hammer Soft-Start Lock-Up(TM) for Pre-Ignition Stability You-Adjust Pull Weights of 2 1/2 and 3 1/2 lbs. Straight Trigger Bow HIPERSHOE(R) Finger Pad Revolution(TM) Changes the Trigger Lever Length for Fine Weight Adjustment Changes the Trigger Lever Length to Further Adjust Pre-Travel Position Your Finger in the Same Place Every Time Reduces the Perception of Trigger Weight Still FurtherSTANDARD BENEFITS Semi-Auto, Single Stage Crisp, Clean, Trigger Break Very, Short Over-Travel Very, Positive Reset You Can Feel and Hear