Another candidate as "Participant of the CGTrader Digital Art Competition" (https://www.cgtrader.com/)
Watched RoboCop (2014) again, and as a result... this happened. Full body concept design: https://www.artstation.com/artwork/5mRnw
"A.T.U. (Automated Tactical Unit) are special police drones that made up the future tactical police force. These drone are deployed mainly for high-risk tasks, such as raids, high-risk arrest warrants, hostage rescue, as well as domestic terrorist threats. This particular drone unit (Unit 8) is stationed on a rooftop serving as sniper support during an armed bank robbery in progress."