Proton machine gun

The proton machine gun is a Decepticon weapon.

Fiction

Marvel The Transformers comics

During his time at Decepticon boot camp, Triggerhappy fell off a hoverboard and hit his head while practising with a proton machine gun, accidentally killing half a dozen teachers. The camp's commander was so impressed with his his lethal expertise that he graduated him on the spot. Triggerhappy's Universe profile