UTG 3x Magnifier w/ Flip-to-Side QD Mount - W/E Adjustable Mechanical Markers Good for water bottles

Good for water bottles

Please see the photos to see for yourself how nice this is

it will be your most overstable approach disc

1-Safety O-Ring

UTG 3x Magnifier w/ Flip-to-Side QD Mount - W/E Adjustable Mechanical Markers Good for water bottlesBroadband Multi coated Lens to Provide Crystal Clear 3X Image Wide Field of View 30% Bigger Than Comparable Models from Other Brands Windage Elevation Adjustability for Optimum View Centering Innovative Flip to Side Mechanism for Quick Transition between 1X and 3X Image Adjustable Eyepiece for Easy Dioptric Correction Precision Machining and Anodizing for Maximum Strength and Wear Resistance Patented Quick detach Lever Lock Mounting Base 42mm Center