ZeroTech Optics Thrive HD Rifle Scope 6-24x50mm 30mm Tube Second Focal Plane PHR II Reticle Black TH6245P. Specifications for ZeroTech Optics Thrive HD 6-24x50mm Rifle Scope: Manufacturer: ZeroTech Optics Objective Lens Diameter: 50 mm Magnification: 6...