What gun is used for cf hand tour connector?

Cf hand tour connector of rifle m4. According to official website's inquiry, the connector of cf mobile game is a rifle m4, which is characterized by many bullets and fast firing rate, so it can be called a humanoid connector. "Crossing the Fire Line" is a first-person shooting mobile game, which was jointly created and released by Korean Smilegate developer and tencent games's Mei Tian Studio Group.