This compact VISM Flipdot Reflex Optic Red Dot Sight uses a fully-adjustable 3 MOA dot to guide your aim on target with every shot. These Red Dot Sights from VISM include a Glock MOS compatible mounting plate and an RMR base mount so that you can enhance your accuracy when using your Glock pistol. The VISM Flipdot Foldable Reflex Sight features a ruby-coated glass lens housed in anodized aluminum, making it a tough sight that's resistant to corrosion and wear. Mount a VISM Flipdot M2 onto your handgun to improve your performance at the range. Specifications for VISM Flipdot Reflex Optic 1x22mm 3 MOA Red Dot Sight: Manufacturer: VISM Color: Black Magnification: 1 x Reticle: 3 MOA Illumination Color: Red Eye Relief: Unlimited Adjustment Type: MOA Emitter Type: Open Battery Type: CR2032 Battery Quantity: 1 Weather Resistance: Yes Shockproof: Yes Gun Make: SIG Sauer, Glock Gun Model: Glock 17 Length: 2 in Width: 1.2 in Weight: 1 oz Included Accessories: Screws, Mount Spacers, Tools Condition: New Magnification Type: Fixed Red Dot Sights-Footprint: RMR Features of VISM Flipdot Reflex Optic Red Dot Sight The FlipDot Patent Pending folding Red dot reflex lens (22mm X 16mm) folds down flat when not in use. With a push of a button the FlipDot lens flips up and automatically turns on. The 3 MOA Red dot is fully adjustable for windage and elevation. Folding the lens down turns the optic off. Includes an RMR base mount that mounts into the Glock slide rear sight dovetail. Will fit most double stack magazine Glock models. Replaces rear iron sights. Includes an RMR base mount that mounts into the Glock slide rear sight dovetail. Will fit most double stack magazine Glock models. Replaces rear iron sights. Weight is 1.0 oz. without the Glock MOS mounting plate. Constructed of hard anodized aluminum. Ruby coated glass lens. Package Contents: VISM Flipdot Reflex Optic Red Dot Sight