Where is the eye located

[C4RL]

this is a newb question. I have (the one) and i want to know where the eye is located and do i have to clean it.

thanks

[FL Native]

YES YOU SHOULD CLEAN IT AND YOUR ENTIRE GUN BEFORE AND AFTER EVERY DAY OF PLAY. the eye is located on the right side of the gun just bellow the feedneck, behind the rectangle cover plate with the alen screw in it.