I'm quoting this for posterity. It's a joke, as I'm sure you all know. Hence, the poster's 'Sucker'.
Everyone, just move on. Nothing to see here. You would know that by his statement when he mentioned seeing someone peering out from a window behind a red curtain at 300-400 yards. That's 900-1200 feet. You'd better be a sniper with a Barrett Light .50 looking through a ****ing proper scope to see that ****.
I think you need to learn how to read, couch potato. It really happened and the sun glinting off of a rifle barrel can be visible from a ++very++ long way.