MacDanny picks up a NERF Rival Prometheus blaster, and upgrades it with a custom magazine to hold TWO THOUSAND AND FIVE ...

This spectacular bullpup nerf gun was developed by the guys over at Mostly Harmless Arms. It is complete with 3D printed parts in a variety of colors. The Extension Spring/Latex Tubing (ESLT ...

Exclusive YouTube Nerf shorts from MacDannyGun! If you like this video click like and share it with others so we make more of ...

A third length of filament acts as a spring, making this a completely plastic gun. Well, not completely; a couple of strong rubber bands deliver the stored energy which sends the Nerf dart on its way.