Spare switch set for version 2 gearboxes. It means for M4,M16,MP5..etc.
East Crane (HongKong) co., LTD is a professional developer tooling design company for more than twenty years experience. With the ever-growing reputation and many years of experience, East Crane decided to create its own brand "E&C". The company's motto is the highest possible quality in an efficient production process and with the support of its fans. E&C airsoft products are known for their reliability, durability and excellent price / performance ratio.
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