Enhance the magnification of your red dot or holographic sight by attaching this compact Vortex Micro 3x Magnifier. These Red Dot Sight Magnifiers created by Vortex feature fully multi-coated lenses for amplified light transmission. Each Vortex Micro 3x Optic Magnifier mounts at absolute co-witness or lower 1/3 co-witness to suit your preferences. Also, these magnifiers are waterproof, fogproof and shockproof for use in rough weather conditions and nearly any environment. The flip-up mechanism is ambidextrous for use by all types of marksmen. Get this Vortex Micro3x Red Dot Magnifier to improve your accuracy at longer ranges in a pinch, and it works with any Vortex red dots.