With long eye relief, a fast-focus eyepiece, fully multi-coated lenses and resettable MOA turrets, there's no compromising on the Crossfire II. Clear, tough and bright, this riflescope hands other value-priced riflescopes their hat. The hard anodized single-piece aircraft-grade aluminum tube is nitrogen purged and o-ring sealed for waterproof/fogproof performance. Crossfire II 4-16x50 AO Dimensions (in inches) Lengths L1 L2 L3 L4 L5 L6 14.37 1.9 2.3 5.6 5.16 3.6 Heights H1 H2 2.52 1.73 Included in the Box 4-inch sunshade Removable lens covers Lens cloth Magnification 4-16x Objective Lens Diameter 50 mm Eye Relief 3.7 inches Field of View 25-3.7 ft/100 yds Tube Size 30 mm Turret Style Capped Adjustment Graduation 1/4 MOA Travel Per Rotation 15 MOA Max Elevation Adjustment 50 MOA Max Windage Adjustment 50 MOA Parallax Setting 25 yards to infinity Length 14.37 inches Weight 23.2 oz Reticle Manual (PDF) Download Parts Diagram (PDF) Download Product Manual (PDF) Download FEATURES OPTICAL FEATURES Fully Multi-Coated Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Second Focal Plane Reticle Scale of reticle maintains the same ideally-sized appearance. Listed reticle subtensions used for estimating range, holdover and wind drift correction are accurate at the highest magnification. CONSTRUCTION FEATURES CONVENIENCE FEATURES RETICLE Dead-Hold BDC (MOA) Customized hashmark design helps eliminate guesswork on holdover and windage corrections. Good for hunting/shooting at varying ranges where estimating holdover is a concern. Subtension detail for Crossfire II 4-16x50 AO riflescope with Dead-Hold BDC MOA reticle.