Hiperfire X2s Mod-3 AR Platform Black Nitride Two-stage Flat Trigger 3.50-4.50 Lbs Hiperfire Is Simply unmatched In Performance And Reliability. The X2S Two-Stage triggers Feature The Same Technology That Hiperfire Has Become Known For. Radical Sear Mechanics, Cam-Over Toggle Engine, Soft Start Lock-Up, Tactile Weightless Break, User Adjustable Pull Weights, Mil-Grade Components, And Precision manufacturing Processes Come Together To Make One Of The Most Robust Two-Stage triggers Available Today. Model: X2S Finish: Black Nitride