Retro Arms V2 Upper Split Gearbox with Springguide [7546]
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Retro Arms V2 Upper Split Gearbox with Springguide
Features:
- CNC machined from duralumin (AW EN7075 T651) with higher tensile strength (590MPa) than mild steel (390MPa)
- 0.005mm thick anodized layer to protect against aluminum corrosion
- Gearbox is designed for 21.3mm nozzle length (normal nozzle length for M4 models is 21.4mm), depending on the manufacturer, a different length may be required
- QSC (Quick Spring Change System) spring change system
- QSC Springguide included in delivery
- The shell is recommended by the manufacturer for all spring strengths, with the note that the service life decreases with the strength of the installed spring
- Double wall thickness at the cylinder front
- Continuous guide grooves for the piston
- Screws included
- Compatible with Marui models and models designated as Marui compatible, other manufacturers may require adjustment work
![](/catalog/images/b-retroarms-cnc-upper-split-gearbox-v2-mit-springguide-details1.jpg)
![](/catalog/images/b-retroarms-cnc-upper-split-gearbox-v2-mit-springguide-details2.jpg)
![](/catalog/images/b-retroarms-cnc-upper-split-gearbox-v2-mit-springguide-details3.jpg)
Features:
- CNC machined from duralumin (AW EN7075 T651) with higher tensile strength (590MPa) than mild steel (390MPa)
- 0.005mm thick anodized layer to protect against aluminum corrosion
- Gearbox is designed for 21.3mm nozzle length (normal nozzle length for M4 models is 21.4mm), depending on the manufacturer, a different length may be required
- QSC (Quick Spring Change System) spring change system
- QSC Springguide included in delivery
- The shell is recommended by the manufacturer for all spring strengths, with the note that the service life decreases with the strength of the installed spring
- Double wall thickness at the cylinder front
- Continuous guide grooves for the piston
- Screws included
- Compatible with Marui models and models designated as Marui compatible, other manufacturers may require adjustment work
![](/catalog/images/b-retroarms-cnc-upper-split-gearbox-v2-mit-springguide-details1.jpg)
![](/catalog/images/b-retroarms-cnc-upper-split-gearbox-v2-mit-springguide-details2.jpg)
![](/catalog/images/b-retroarms-cnc-upper-split-gearbox-v2-mit-springguide-details3.jpg)