Foam Flinger - Nerf Rival Knockout Mod! Currently waiting for a brass breach for half darts from @akblastermod in the meantime there's is a couple of things I can do to get
AKBM Stefan Brass Breech Printed Bolt Kit for Nerf Rival Knockout Modify Toy | eBay
AKBM MOD Printed Breech Load Thumb Extension for Nerf Rival Knockout Modify Toy | eBay
Finished a very janky nerf Rival Knockout mod today : r/nerfmods