Full metal HopUp chamber set for M4/M16
High precision replacement hop-up unit. Made of metal alloy for better durability. Suitable for M4, M16. Include all small parts. HopUp bucking is not included.
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.