The BARS Advanced Combat Micro Optic by Kalashnikov USA. The name BARS is the Russian term for Snow Leopard which explains how awesome this red dot optic is. - The large 26mm objective lens gives you a wide field of view for fast target acquisition. This also helps in non-standard shooting positions. - Large 26mm aperture with tapered light path - 10 levels of brightness including 2 for night vision - Advanced lens coatings - Fully sealed water resistant hard-anodized 7075-T6 aircraft grade aluminum housing - The ultimate mini reflex sight - SPECIFICATIONS - Dot Size: 3.0 MOA - Objective Lens: 26.0MM - Light: Red LED - Shockproof: Shock Resistant - Waterproof: Water Resistant - Elevation Range: 45MOA For All Directions - Dot Intensity: 8 Levels Red 2 Night Vision - Click Value: 1 MOA - Mounting: Picatinny - Length: 63.5MM - Width: 30MM - Height: 39.8MM - Clamping Method: Nut Lock