Vertical Filastruder Hopper v2

It was a hassle needing to disassemble the filastruder if I wanted to take the hopper off, or change it to horizontal, and I like the two piece removable hoppers. However I couldn't get an adequate pellet feed from them. The 2 liter bottle hopper covered around 13mm of the opening with pellets and gave me a really slow feed rate. This one covers about 22-26mm of the opening. It holds together with M4x12 screws, and features a sliding door for dumping the pellets. I made an opening in the to