Enhanced gearbox V.2 8mm SA Enter a Convert(TM)

An enhanced gearbox frame dedicated to gearbox v.2 replicas.
Made of Zn and Al alloy, thanks to which it is both light and durable.
The frame has a factory-made metal bearing (D=8mm), which encreases gearbox’s work culture in the replica. The frame is compatible with Specna Arms replicas equipped with Enter a Convert(TM) or SAEC(TM) quick spring change systems!