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
The TKO - 4 round, short dart, inline clip, Nerf Rival Knockout - YouTube
ShanYe Knockout "JiaoLT" Conversion Kit
ShanYe Knockout "JiaoLT" Conversion Kit
Nerf Rival Knockout rhino Kit - Etsy
Blasterkit Ma Liang MOD Handle Tail Guard for Nerf Knockout XX-100 Blaster - Etsy