[Philysteak527] modified a Nerf rifle, making it semi-automatic thanks to the powers of compressed air. This is not a simple change to make, and rests on his ability to design and manufacture a ...

The Nerf Pro Gelfire Mythic Blaster has two modes, semi-automatic and full-automatic. When turned to fully automatic, it can fire 10 rounds per second, peppering your opponents with a ruthless ...