UTG 3X Magnifier with Flip-to-side QD Picatinny Mount 3X magnifier with flip-to-side, quick-detach Picatinny mount Built for demanding quick aiming CQB applications Broadband multi-coated lenses offer clear 3X image Adjustable eyepiece for easy dioptric correction CAUTION: Flip-to-side function has built-in resistance to prevent unintended movement