Meprolight MMX4 4x24mm Micro Magnifier w/ Quick Flip QD Picatinny Black 3.2x1.4x1.74 inch. Weighing in at 6.9 it reduce the footprint saving rail space and weight on your firearm. Elevation and windage dials provide precise FOV line of sight alignment. A wide FOV enables rapid target acquisition with both eyes open which is ideal where agility and speed are of the utmost importance. The Mepro MMX4 micro magnifier attach to any MIL-STD-1913 rail directly behind your optic. When not in use the Mepro MMX4 can be flipped out of the way by depressing a pushbutton. Specifications for Meprolight MMX4 4x24mm Micro Magnifier w/ Quick Flip QD Picatinny: Manufacturer: Meprolight Finish: Ruber Magnification: 4 x Objective Lens Diameter: 24 mm Eye Relief: 2.89 in 73.4 mm Length: 3.2 in 82 mm Weight: 10.01 oz 284 g Field of View Angle: 5.5 degrees Included Accessories: w/ Quick Flip Height: 36 mm 1.4 in Color: Black Operating Temperature: -4 - 122 Fahrenheit Exit Pupil: 6 mm Diopter Adjustment Range: -2.5 - 2.5 dpt Condition: New Water Resistance Level: IPX-7 Size: One Size Age Group: Adults Gender: Unisex Mount Type: Picatinny Gun Rail: Picatinny Features of Meprolight MMX4 4x24mm Micro Magnifier w/ Quick Flip QD Picatinny Side-Flip High Transparency Optics Highly Durable Structure No Batteries Needed Two Rubber Covers Package Contents: Meprolight MMX4 4x24mm Micro Magnifier w/ Quick Flip QD Picatinny Meprolight 8016000200: MMX4 4x24mm Micro Magnifier w/ Quick Flip QD Picatinny Black 3.2x1.4x1.74 inch 8016000200