CMC’s AK Drop-in Trigger Group is the ultimate upgrade for your AK47 variant. With its 100% modular, CNC-machined, and easy to install design, CMC’S trigger group will give your AK the cleanest, most reliable trigger pull its ever had. CMC offers four trigger bow versions, the traditional AK style, the curved AR style, CMC’s patented Flat Trigger style, and the "Hybrid" Combat Curved Trigger Style.