An evolutionary upgrade, Vortex Viper HS Rifle Scopes offer hunters and shooters an array of features sure to be well received. A new optical system highlighted with a 4x zoom range provides magnification versatility. The ultra-friendly eye box with increased eye relief gets shooters on target quickly and easily because shooting opportunities can be measured in fractions of seconds. Built on an ultra-strong 30mm one-piece machined aluminum tube, the Viper HS delivers increased windage and elevation travel for optimal adjustment.