Needed a backup as my main rifle went down so I threw together a rifle from spare parts I had lying around, it works cromulently with the hop being able to send 0.3s 40m. I don't need it anymore so need to get it off my hands. As it's not any one brand the parts list is detailed below.

Saigo Defense Bushido Rei:   handguard, gearbox Housing, M100 spring, pistol grip, flat trigger

Specna Arms:                          upper/ lower receiver, bolt release and charging handle

Ares AM009:                           piston, piston head, cylinder, cylinder head, 19:1 gears, 16TPA motor, 230mm 6.03 steel inner barrel, outer barrel, OEM hop unit

Valken Tango:                         buffer tube and stock

Bought for it:                           E&C mag release, big dragon 196mm suppressor