NEW HOLOSUN HS503CU Paralow Red Dot Sight FREESHIPPING. The HS503CU is a 20mm micro optical sight. Features include Solar Failsafe, Shake Awake, 12 brightness settings, Holosun's Super LED with up to 50k hours battery life, and Multi-Reticle System. MRS: 2 MOA Dot & 65 MOA Circle.12 Brightness settings, 10 daylight and 2 night vision compatible. Parallax-free & unlimited eye relief. Dimensions: 2.6x1.43x1.6 inch. Housing material: 6061 T6 Aluminum. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Red Dot & Laser". The seller is "erjo2575" and is located in this country: US. This item can be shipped to United States.