My recently modded Rival Perses: has an extended hopper from Out of Darts, AFG from SilverFoxIndustries, and a dead space ramp in the hopper from 3D Printed Solid. Simple but this thing
AKBM Extended Hopper Shell for Nerf Rival Perses | AK Blaster MOD
Worker Mod F10555 Extended Hopper 3D Printed Attachment for Nerf Rival Perses MXIX-5000 Modify Toy | Worker Nerf Mods - Workermod.com