Will not trade! Selling for my teammate. Full steel construction with built-in light within the handguard. This is a very rare and valuable item, as it is the only full-steel MP5 that uses standard V2 gearbox. Build list: gate titan Prometheus barrel Prometheus bucking guarder nozzle, piston, piston heard, cylinder head. Lonex A1 motor. Matrix scope mount SHS 13:1 gearset Lonex bearings Pressure pad hand guard with built-in light( 400 lumin) Shoots 350 FPS.