[MOD] Pump Action Nerf Rival Helios | 3D Printed Kit by F10555!

Pump Kit on Amazon: https://amzn.to/2LFxIIl Video overview of a modified Nerf Rival Helios, featuring a 3D printed pump-action kit by Worker/F10555. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - MERCH: http://a.co/4fdvjwk INSTAGRAM: https://Instagram.com/Coop772 SECOND CHANNEL: https://www.YouTube.com/user/Coop772two - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -