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 petty 32 RMS, compared to a mirror which is 0 RMS.
Specifications:

Type
Model	Drop-In
Dimensions
Size
Material	8620 Steel
Action	Single Stage
Trigger
Safety
Thread Pattern
Finish	Black
Bolt Type
Hand	Ambidextrous
Hammer Type
Capacity