TriggerTech Trigger, Adaptable Flat Trigger, Single Stage, Adjustable, 2.5-5.0LB Pull Weight, PVD Finished Hammer and Trigger Shoe, Anodized Finish, Black, Fits AR-15 AR0-SBB-25-NNF Trigger was built to satisfy the demand of having one trigger capable of enhancing the accuracy and precision of an AR in every role. Featuring Frictionless Release Technology" this drop-in AR trigger has a short" single-stage action" that provides a true zero-creep break" extremely short overtravel" a sub 0.015" tactical reset and offers outstanding reliability" even in the harshest environments. Utilizing CLKR Technology" the pull weight is quickly and confidently adjusted from 2.5 - 5.0 lbs. in 2oz increments from a set screw with the trigger installed.