The team at Prime Mech Airsoft in France demo their custom work which is a M4A1 CQBR SOPMOD BLOCK 2, also known as the MK18 RIS II Black (featuring a Daniel Defense rail), which is internally upgraded with a Gate ASTER II Bluetooth control system, a 13:1 ratio/12-tooth high-speed gear set, and a high-torque 22 TPA motor, resulting in a performance of 1.4 Joules with 0.32g BBs.