Retro Arms HPA Gearbox
Retro Arms Gearbox HPA 2
Retro Arms Gearbox HPA
Retro Arms HPA Gearbox - Silver
Retro Arms HPA Gearbox - Blue
Retro Arms HPA Gearbox - Gold
Retro Arms HPA Gearbox - Red
Retro Arms HPA Gearbox - Purple
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Retro Arms HPA GearboxRetro Arms Gearbox HPA 2Retro Arms Gearbox HPARetro Arms HPA Gearbox - SilverRetro Arms HPA Gearbox - BlueRetro Arms HPA Gearbox - GoldRetro Arms HPA Gearbox - RedRetro Arms HPA Gearbox - Purple

Retro Arms CNC Anodized Gearboxes for HPA V2

Color: Silver
Price:
$114.99

Description

The Retro Arms gearbox has the best design on the market.  This model has a design specifically for HPA engines.  They have a CNC aluminum design to be lightweight and perform very well.