OpticGard Holosun 507K-X2/407K-X2 Red Dot Sight Cover White One Size. The intelligent cut allows the cover to fit most rear and suppressor sights. It also includes a detachable training lens which will allow you to use the red dot even in the sun or bright areas. Scope covers are made from a material made from TPU (Thermoplastic Polyurethane) offering protection from abrasion. In addition the fast and simple installation allows easy access to the buttons without removing the cover. Finally the interlocking pins secures the cover so it won't fall off even with heavy recoil from handgun slides. Are you tired of taping your optic for occlusion training? Removable training lens is the modern solution Specifications for OpticGard Holosun 507K-X2/407K-X2 Red Dot Sight Cover: Manufacturer: OpticGard Fabric/Material: Thermoplastic Polyurethane Features of OpticGard Holosun 507K-X2/407K-X2 Scope Cover Can be used while using the firearm Offers protection against stray bullet casings and scratches Intelligent cut fits most rear and suppressor sights Includes detachable training cover for use in bright areas Helps with target focus training Made from TPU material and polycarbonate for abrasion protection Fast and easy installation with access to buttons Interlocking pins for secure fit even with heavy recoil Package Contents: OpticGard Holosun 507K-X2/407K-X2 Scope Cover Detachable Training Cover For Use In Bright Areas OpticGard OGH507K01: Holosun 507K-X2/407K-X2 Red Dot Sight Cover White One Size