Mankind’s quest for the extension of projectile reach towards animals—and fellow humans perceived as having opposing viewpoints—has primarily been about efficiency. The invention of gunpowder led, perhaps inevitably, from fireworks to firearms, and today’s modern gunpowder used in even the most sophisticated military firearms is simply a more refined and efficient version of the primitive—yet ingenius—mix invented in China over 800 years ago. PatentWear offers designs based on a few of the significant patents that have led the march towards the efficiency of firearms of today.