HG-Pro-C-G Reflex Sight, Green Illuminated Circle with Dot Reticle. The AimSHOT HG-Pro Reflex Sight is the pinnacle of reflex sight technology. This unit is built to military specs yet it remains affordable. The HG-Pro is waterproof up to 30m. Its integrated rail mount features a quick release lever for easy installation and removal on any Picatinny rail system. Available in red or green reticle color with one of three different reticles to best suit your needs. The HG-Pro provides full windage and elevation adjustments and nine levels of brightness adjustment, including a setting for use with night vision equipment. The large 34mm coated reflex lens is parallax free allowing for rapid target acquisitions. LED Powered by a single CR123 battery, the HG-Pro has a battery life of over 6000 hours. The HG-Pro is crafted from high quality 6061 T6 aircraft aluminum and anodized with a durable matte black finish for long life.