AmandaK Tactical 3X Magnifier Scope Sight with Flip To Side 20mm Rail Mount Scopes New The specially designed flip to side tactical mount provides very quick and easy switching sights between magnifying and non-magnifying. A powerful tool to your huntin/target practice and airsoft. A perfect add-on to your red/gregen dot sight/ reflex sight Multi-coated lenses Mgf2 blue. FTS mount fits on 20 mm weaver/Picatinny rail Comparable with EOTech and Aimpoint. Note: This magnifier can't adjust eye relief.