The tango-msr line of riflescopes follows the tango6t acclaimed lineage.Loaded with standard features these new models include: locking zero stop elevation dials; illuminated reticle; factory installed flip-back lens covers; removable thread-in magnification throw levers and the msr mount.Includes alpha-msr mount and flip back caps.Magnification: 3-18xObjective: 50mmTube Diameter: 34mmReticle: Illuminated MRAD Milling 2.0