“So how will you be able to point something you can’t see at a 4 mm wide pupil in both eyes of a moving target?”
That’s the nice part... You don’t need to point it. Five watt IR lasers are available on eBay for less than $100.
Turn it on in a room and everyone without eye protection is blind. Unless you close your eyes, just from the reflections off the walls, you will loose your sight. In seconds.
You don’t need to look at it...