CMC'S CURVED TRIGGER BOW - CMC's AR-15/10 patented "Signature" 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 the CMC Curved Trigger is unsurpassed by any other fire control group.CMC Triggers is the original manufacturer of the Drop-in Trigger Group for the AR-15/10 rifle since 2003. CMC's critical sear engagement surfaces have a proprietary machining process that renders superior surface finish and dimensional control. As compared to their competition the techniques used to establish a 1-2 RMS surface finish as opposed to EDMing which leaves a pitty 32 RMS compared to a mirror which is 0 RMS.PARTS INCLUDED Bolt Catch Bolt Catch Plunger Bolt Catch Spring Bolt Catch Roll Pin Mag Release Mag Release Button Mag Release Spring Buffer Retainer Spring Safety Buffer Retainer Safety Detent Spring Safety Detent Trigger Guard Trigger Guard Roll Pin Take-down Detent Springs Take-down Detent Take-down Pins CMC 3.5lb Single Stage Trigger Curved GRIP NOT INCLUDED