Product DescriptionOriginally developed for the Israel Defense Force, the Mepro M21 is a self-illuminated red dot reflex sight that operates without batteries. Using fiber-optic collectors by day and tritium at night, the sight delivers a bright, crisp 5.5 MOA dot through a large 30mm objective and 1x magnification for rapid, both-eyes-open shooting. Its rugged, battle-proven housing meets or exceeds MIL?'STD?'810 standards, is waterproof, and is compatible with night vision devices and magnifiers such as the Mepro MX3F/T. The M21 features a quick-release Picatinny mount, parallax-free viewing, and simple 1 MOA click adjustments.Product HighlightsBattery-free dual illumination: fiber optics for daylight and tritium for low lightLarge 30mm lens and unlimited field of view for fast target acquisitionDurable MIL?'STD?'810 construction with waterproof performanceNight-vision compatible; pairs seamlessly with Mepro magnifiersQuick-release Picatinny mount, parallax-free design, and 1 MOA click adjustmentsSpecsMagnification: 1xObjective Lens: 30mmReticle: 5.5 MOA dot (red)Illumination: Fiber optic and tritium (battery-free)Mounting: Quick-release Picatinny adapterField of View: UnlimitedWeather Resistance: WaterproofAdjustments: 1 click = 1 MOALength: 4.49 inWidth: 2.17 inHeight: 2.76 inWeight: 13.12 ozNight Vision Compatibility: Yes (including GEN III tubes)Parallax: FreeUPC: 879015004354Manufacturer Part Number: 626310Brand Name: MEPRO USA LLCDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.