HOLOSUN HS403B Red Dot Sight. No problems or defects whatsoever. The item "HOLOSUN HS403B Red Dot Sight" is in sale since Friday, March 26, 2021. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Red Dot & Laser Scopes". The seller is "billlloyd11" and is located in Utica, Michigan.