RetroArms CNC Gearbox V3 AK (8mm) - QSC

RetroArms is a Czech tuning parts manufacturer known for its high-quality products. This gear box is CNC machined from a single piece of aluminum. This means that the gear box is lightweight but extremely durable. The shell also features reinforcement features on various sides, especially around the cylinder bore, which is usually under the greatest stress in gear boxes. This gear box also has a quick spring change option (QSC), meaning the spring guide can be removed from the back of the box by pushing and turning, allowing you to change the spring without opening the gear box.

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