Here's one that confused me at the time and I just recalled:
Aimpoint 2000s came with a nice rubber eyepiece cover. Fat at the eyeball end, cannot think of any value it would have but as an eye guard as for this thread. Removable, but... it's an unlimited eye relief optic. Did they find that early in the RDS era no one understood and kept crawling up on it?

Aimpoint 2000s came with a nice rubber eyepiece cover. Fat at the eyeball end, cannot think of any value it would have but as an eye guard as for this thread. Removable, but... it's an unlimited eye relief optic. Did they find that early in the RDS era no one understood and kept crawling up on it?