Allows for 6 feet of elevation adjustment at 100 yards and can easily be converted from a rifle rest to a handgun rest using the removable handgun support. Also features a special groove to eliminate interference from the sling stud.FeaturesSix feet of elevation adjustments at 100 yardsFront sling stud clearance grooveRemovable handgun support attachment to convert rifle rest to handgun restLock knob to lock your adjusments into place for repeatable accuracyWarranty: 1-year warranty against manufacturing defects