The Exact Scope System is all solid machined out of one piece. A one piece lens retention system for ease of cleaning and replacing. Proprietary slotted mount adjustment design to maximize vertical travel when shooting longer distances. All of the scope levels are machined into a one piece cradle that allows you to do your 3rd axis leveling. Sunshield is included with the non-vented scope. Made in USA. Features: Patent pendingLens retention systemSteel blade pin designProprietary slotted mount adjustment design to maximize vertical travelAccepts 1 5/8? lensTapped 8-32 for lightSunshield included4 pin positions3rd axis level adjustment1' of fiber for exceptional pin brightnessColored sight bands B3 Non-Vented Scope Housing RH EXCT-SCNV-RH