NcSTAR KeyMod Quick Release 4 Reticle Reflex Optic Red ILL Black. This heads up reflex optic combines our popular 4 reticle D4B with our new Patented KeyMod quick release mount. You can mount VD4BKM onto KeyMod handguards at an offset angle (30/45) for a secondary optic to your primary for close range target acquisition and for moving targets. You can also mount the VD4BKM directly to the top KeyMod slots of our AK KeyMod Mount Receiver Cover (VMTAKKM). Selector switch at the back of the optic allows you to select the desired reticle. RED colored four reticle set: Dot Bullseye Cross and Bullseye. LED (Light Emitting Diode) 100percent safe for the eyes. Unlimited eye relief for flexible mounting. 7 brightness settings for reticles. Black anodized aluminum construction. Tools for adjust Reflex optics and rubber lens cap are included. Featuring NcSTAR's US Patented Auto-Locking KeyMod Quick Release mount. Mounts directly to KeyMod slots with a flip of a lever no tools required. US Patent 9341441. Reticle Set:Dot + Bullseye + Cross + Starburst. Reticle Color:Red. Dot Size:3 MOA. Objective Lens:24.0mm X 34.0mm. Magnification:1X. Lens Coating:Ruby. Battery:CR2032 3 volt Lithium (battery included). Finish:Black Anodized Aluminum Body. Length:3.2". Weight:5.3 oz. Includes extra battery lens cover and adjustment tools. Specifications for NcSTAR KeyMod Quick Release 4 Reticle Reflex Optic: Manufacturer: NcSTAR Finish: Black Anodized Fabric/Material: Aluminum Magnification: 1 x Objective Window Size: 24x34 mm Reticle: 3 MOA Dot Illumination Color: Red Eye Relief: Unlimited Emitter Type: Open Battery Type: CR2032 Length: 3.2 in Weight: 5.3 oz Additional Features: 7 brightness settings Included Accessories: Tools for Adjust Reflex Optics Rubber Lens Cap Condition: New Magnification Type: Fixed Lens Finish: Ruby Red Dot Sights-Footprint: Not Applicable Mount Type: KeyMod Package Contents: NcSTAR KeyMod Quick Release 4 Reticle Reflex Optic VD4BKM Battery Lens Cover Tools NcSTAR VD4BKM: KeyMod Quick Release 4 Reticle Reflex Optic Red ILL Black