Hey i got a max'd out spyder e-99 avant willing to trade you for your hopper!
1.Pyscho ballistics on/off drop
2.Bob long style expansion chamber
3.New macro line kit
4.CCM low rise clamping feedneck
5.16 inch empire twister barrel
6.12 inch stock barrel
7.Halo TSA backman(if wanted)
8.All the stock parts including allen wrenches etc.
Theres a pic of it without the hopper, but with all the ups on it.
PM/IM me even if your interested or not!!