Bluesky

But who the heck would site a rifle in at just 25 yards?

Some people. Just like everything else, there's enough out there to have someone do it. I know people who swore by 25 yards because it's 'good enough' for the majority of times when you'd be using a rifle in a confrontation.

For anyone curious about the differences: https://thenewrifleman.com/best-ar15-zero-distances-for-16-inch-and-10-5-inch-carbines/