Xu Chao traveled to become a gun original artist, and at the same time unlocked the system, he can analyze and realize any weapon. Players reported that the sniper was too weak. Xu Chao exchanged the design drawings of the sniper grenade from the system and updated the version. The players were all dumbfounded. "Let you strengthen the sniper! You are not allowed to join the cannon!" "Single shot, with magnification, instant seconds! Why isn't it a sniper?" The game became popular, and the live broadcast room was suddenly cut off. His talent for weapon design could no longer be concealed. Xu Chao's original paintings can be verified by models and have strategic value. … Player: The artillery is weak, it is recommended to strengthen it! The Rocket Army is ecstatic! Player: Air support suggests increasing air and space fighters! The Air Force silently squeezed out military spending! Peripheral Jackal: Why is your equipment still updated with the game version? Since having Xu Chao, the rabbit's fire phobia has been completely cured...