Description 12.7" overall. Mil Dot reticle. Actual magnification: 3-9x. Eye relief: 4.2-3.7 Shockproof.Waterproof.Fogproof. Weight: 15oz. 30mm maintube. 3:1 zoom ratio. Custom dial compatible. Aluminum construction. Color: Matte black. Boxed. Weight:1.38lbs Country of Origin:USA