On a related note, the feed can swap if you want to use a hopper, though I can't ever seem to find the one that clamps on securely like this https://www.amazon.com/Adjustable-Elite-Paintball-Feedneck-Black/dp/B00WGRZ1BS/ref=cm_cr_arp_d_product_top?ie=UTF8
instead of the cheap slip on version