The Leupold Mark 4HD 4.5-18x52mm Rifle Scope with PR2-MIL reticle is a rugged and professional-grade optic designed for enhanced performance. Here are the key features and specifications: Key Features: Professional-Grade Optical System: Ensures exceptional optical clarity for both dedicated enthusiasts and uniformed professionals. 4:1 Zoom Ratio: Offers versatile magnification options for various shooting scenarios. 34mm Maintube: Slimmer design with a large maintube to accommodate advanced features. Ultra-Lightweight Design: Facilitates easy handling and carrying in the field. High-Speed Power Selector: Allows quick and efficient magnification adjustments. Removable Throw Lever: Enhances user convenience for rapid magnification changes. M5C3 ZeroLock Adjustment: Ensures the elevation dial won't move when subjected to impact. MIL Adjustment/Reticle: Precise adjustments in MIL (Milliradians) increments with the PR2-MIL reticle. Precise Tracking and Return to Zero: Consistent performance in extreme conditions. Lens Covers Included: Provides protection for the lenses when not in use. Waterproof and Fogproof: Suitable for use in challenging weather conditions. Guaranteed for Life: Backed by Leupold's lifetime guarantee for durability and reliability. Specifications: Length: Not specified Reticle: PR2-MIL (Milliradian) Type: Rifle Scope Eye Relief: Not specified Field of View at 100 Yards: Not specified Magnification: 4.5-18x Objective Diameter: 52mm Color: Not specified Adjustment: MIL (Milliradian) Focal Plane: Not specified Max Elevation: Not specified Max Windage: Not specified Product Line: Mark 4HD Tube Diameter: 34mm Weight: Not specified The Leupold Mark 4HD 4.5-18x52mm Rifle Scope is designed to provide reliability and versatility for a wide range of shooting applications.