REINFORCED GEARBOX CNC 9MM V2 QD RETRO ARMS (RTAR-7121)

New model machined from solid of the highest quality and durability
ideal for super powerful springs or intensive use with super gusts
including rear quick release spring holder for spring replacement
unlike other printed models, it is produced with milling and retified and polished finish with CNC machines
thanks to the particular washing it combines incredible strength with negligible weight (50% less than the printed model)
threaded mounting screws and quick release spring guide included
compatible with models such as Marui, G & G, G & P, etc ...
ideal for series m16, m4, g3, mp5 etc ....