CMC Triggers Corp 2-Stage Flat Small Pin Trigger Black 1lb Set - 3lb Release 91504 This drop in two stage trigger from CMC is a superb option for anyone looking to help shrink group sizes and increase accuracy. This non-adjustable preset trigger features a 1 LB first stage with a 3 LB second stage before the trigger breaks. It is designed to work with mil-spec lower AR-15, AR-10, and LR-308 receivers with a .154" trigger and hammer pin hole (Small Pin). The CMC trigger requires no gunsmithing and can be dropped-in, in just a few short minutes.
Note: Not recommended for use in conjunction with 5.45x39 upper assemblies and some 308 AR's may require a heavier trigger pull to ensure proper functionality.