Sig Sauer Tango4 4-16x44 30mm Riflescope With Illuminated Reticle and Side Focus, Color: Black, Tube Diameter: 30 mm Specifications for Sig Sauer Tango4 4-16x44 30mm Riflescope w/ Illuminated Reticle and Side Focus: Color: Black Magnification: 4 - 16 x Objective Lens Diameter: 44 mm Tube Diameter: 30 mm Reticle Focal Plane: First Focal Plane (FFP) Lens Material: Glass Attachment/Mount Type: Ring Mounts Weather Resistance: Yes Included Accessories: Battery, Lens covers, Wrench, Manual, Cloth Sig Sauer Warranty Package Contents: Sig Sauer Tango4 4-16x44 30mm Riflescope w/ Illuminated Reticle and Side Focus