An introduction to CTM TAC's TwinFold modular stock system. They show its key features, including its ambidextrous design, easy detachment, and a Quick Detach (QD) mount for slings. It's designed for ARs, SMGs, and PDWs with rear Picatinny rails. The video also details the various options available for the TwinFold stock, such as three different lengths and a version with extra adjustability. CTM TAC also has a small QD mount and an angle adjustment attachment.