Viper Target Scope 1 3/4 in. .019 Red 4X Lens RD-4X. This archery sight by Viper Archery Products is constructed to be ultra-lightweight and precise with incredible brightness durability and clarity. The Viper Archery High-Brightness Target Scope features a one-piece aircraft aluminum body with a military-spec type III hardcoat anodized housing. This archery sight offers four-power magnification ideal for those that like to take it to the target. For a great way to make sure you are using some of the best gear the archery industry has to offer choose the Viper Archery 4x Target Scope. Package Contents: Viper Target Scope Viper 1750P-019 RD-4X: Target Scope 1 3/4 in. .019 Red 4X Lens