CALYPSO ARD™ (Anti-Reflection Device)

It's just Ok. Be careful and pull the rubber band thing over the height and windage adjusters else it will fly away after 2 shots! This and the silicone covers should be included with the scope.

Doesn't seem to interfere with looking through the optic, looks clean

Once you slip it one, it doesn't even register when you look through the optic. Which means it does its job, no problem.