Retro Arms - CNC Split gearbox v.2 with int. Hop Up Chamber - QSC 8mm

Whole new CNC Retro ARMS gearbox with integrated Hop-UP chamber for 8mm bearings CNC Gearbox is made of 5 pieces. Package: Gearbox (upper and lower) HopUp Chamber Spring guide Complete screws (2x M2,5x3; 5xM3x6 and 5x M3x12) What´s new in second generation? - new shape of gearbox, round shape insteed hexagon for more compatibility - repaired hop up chamber, no more feeding or air leak problems - integrated pin for tappet plate spring - more space at the rear of upper, fixed problem with jamming piston - upper is now little bit lower for more compatibility of charging handle (for example VFC) - lower is now compatible with any Anti Reversal Latch - lower has window for relase of ARL - lower has bigger space for motor wheel - upper has holes for piston check Testing and recomended parts. - tested with nozzle 21.4mm - tested with buckings G&G green, PDI, Systema Energy. - spring 170