Magnifier 3x F/eo,aimpoint, 2632

These magnifiers were developed to work with most red dot/reflex sights. 30mm diameter which allows maximum light, 1.65? (42mm) of eye relief, a 6? field of view; 4.5" length, only 6 oz. in weight, fog-proof internal optics, and a non-reflective hard-coated finish.