Leonardo Da Fucking Vinci
The rifle wasn’t really a rifle though. More of this wheel-lock device that I’ve never heard of before. I tried finding more info, but I couldn’t get precise data. Thing was able to shoot from anywhere between 300 and 1000 yards depending on where you look. He’s got an inventory of concepts that could make your jaw drop for what freaking time period he was in. One article I found suggested he had created a mechanical knight with a gear system. As a commoner, I’m pretty sure my head would have exploded seeing a robot in that time period.