CMC is considered the original drop-in trigger group. CMC has been manufacturing triggers for the AR-15 and AR-10 platforms since 2003. Using a proprietary machining process, CMC’s critical sear engagement surfaces have a superior surface finish and dimensional control. All CMC drop-in triggers are designed to be easy to install whether you’re upgrading an existing AR or building a new…

Unlike many similar AR-pattern drop-in units that employ aluminum housings, the hand-assembled and hand-tested Goldfinger is made from a combination of 8620 alloy steel and S7 tool steel, and the blade itself features a golden Cerakote finish. https://www.americanrifleman.org/content/preview-cmc-triggers-goldfinger/