JG Golden Eagle Metal Hopup Unit Set for M4 M16 Series Airsoft AEG

JG Golden Eagle Metal Hopup Unit Set for M4 / M16 Series Airsoft AEG 
Set includes:
- Metal one piece hopup unit for M4 / M16 series AEG.
- Hopup bucking and everything else you see in image.

About JG

JG / Jing Gong (China) / ASP (Hong Kong) is among the world's largest Airsoft OEM (Original Equipment Manufacturer) and pioneer for high quality Airsoft AEG rifles. With superb production capability, volume, and their close relationship  positioned JG to provide the world market with great reliable products.