The Bushnell R7 ED Rifle Scope is clear, reliable and precise. From rough truck rides to mountain weather amd hard earned pack outs, R7 scopes are engineered to withstand years of abuse without losing confidence in the field. FeaturesPop-Up Locking Elevation Turret with Zero Stop ensures repeatable dialing.ED Prime Glass delivers exceptional detail at long distances.EXO Barrier maintains a clear sight picture in harsh conditions.Flood Illumination enhances reticle visibility in low light.Built to withstand hard seasons and harsh environments.