Your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.

What temperature am I supposed to iron it on?

Gas pedal AR safety selector? Or is that from an AK?

Doing that changes the firing modes to “stacked bullets, one bullet, half a bullet”

How do I get that option on my own AR? asking for a friend in Minecraft

Scientists don’t design guns.

Seems like it might have an interference problem with the forward assist.