CMC AR-15 / AR-10 Single Stage Drop-In Trigger Competition Match Grade, 3 Gun Trigger - Curved Bow 2.5lb Pull is for the shooter who wants a traditional feel. The Curved Trigger has an exceptionally smooth feel and ultra-clean break. With excellent lock time and lighting fast positive reset. Minimal lock time is designed into the assembly using controlled hammer weight and balance activated by a rocket wire hammer spring, assuring repeatable function with either commercial or military grade ammunition. Features multiple trigger pull weights, pull is factory pre-set and not user adjustable, has glass-smooth break with no feel of grittiness or feel of creep prior to hammer release. Made from 8620 Alloy Steel and S7 Tool Steel with machined tolerances of +/ .001", fits MIL-SPEC AR-15 and AR-10 style rifles. The Trigger is easy to install, totally self-contained, one-piece assembly and comes with CMC Anti-Walk Pin Set.