Diamondback 4-12×40 Dead-Hold BDC MOA 1 Inch Rifle Scope by Vortex Optics

Versatile 4-12×40 Hunting Rifle Scope with Dead-Hold BDC MOA Reticle for Accurate Mid-to-Long Range Shooting

The Diamondback 4-12×40 Dead-Hold BDC MOA 1 Inch Rifle Scope by Vortex Optics is built for hunters and shooters who need reliable accuracy, clear optics, and rugged durability across a wide range of shooting environments. Featuring a flexible 4-12x magnification range and the proven Dead-Hold BDC MOA reticle, this riflescope allows shooters to confidently engage targets from moderate to extended distances.

Designed with high-quality optical components and fully multi-coated lenses, the Diamondback scope delivers bright, crisp images with excellent contrast and clarity. The 40mm objective lens enhances light transmission, making it well-suited for low-light hunting conditions such as early morning and late evening.

The scope is built around a rugged one-piece aircraft-grade aluminum tube that provides strength without unnecessary weight. Waterproof, fogproof, and shockproof construction ensures dependable performance in harsh weather and demanding field conditions.

Key Features and Benefits

Dead-Hold BDC MOA Reticle

The Dead-Hold BDC reticle is designed to simplify holdover corrections when shooting at extended distances. This reticle provides clear aiming points that help compensate for bullet drop while maintaining a clean, uncluttered sight picture.

MOA-based reticle for precise holdover references

Simple design allows quick target acquisition

Effective bullet drop compensation for longer shots

Ideal for hunting and field shooting applications

Versatile 4-12x Magnification Range

The 4-12x magnification range offers excellent flexibility for a wide variety of hunting and shooting situations. Lower magnification provides a broader field of view, while higher magnification allows more precise aiming at distance.

4x magnification for faster target acquisition

12x magnification for accurate longer-range shots

Ideal for deer hunting, predator hunting, and range shooting

Adaptable performance across multiple rifle platforms

Fully Multi-Coated Optical System

High-quality lens coatings enhance light transmission and improve image clarity, allowing shooters to see targets clearly even in challenging lighting conditions.

Improved brightness and contrast

Reduced glare and enhanced visual detail

Sharp edge-to-edge image quality

40mm Objective Lens

The 40mm objective lens provides excellent light gathering capability while maintaining a streamlined scope profile suitable for hunting rifles.

Bright images during dawn and dusk conditions

Clear target visibility in wooded or shaded environments

Balanced objective size for practical field use

Durable One-Piece Tube Construction

The scope body is constructed from aircraft-grade aluminum to ensure strength, durability, and consistent performance under recoil.

Lightweight yet rugged aluminum construction

Matte anodized finish resists scratches and corrosion

Maintains zero even under repeated recoil

Weatherproof and Shockproof Performance

Built to perform reliably in harsh outdoor environments.

O-ring sealed for waterproof protection

Nitrogen purged to prevent internal fogging

Shockproof construction designed for recoil resistance

Detailed Specifications

Product Name: Diamondback 4-12×40 Rifle Scope

Brand: Vortex Optics

Magnification Range: 4-12x

Objective Lens Diameter: 40mm

Tube Diameter: 1 inch

Reticle Type: Dead-Hold BDC MOA

Reticle Position: Second Focal Plane (SFP)

Lens Coating: Fully multi-coated

Construction Material: Aircraft-grade aluminum

Finish: Matte black anodized

Adjustment Type: Windage and elevation turrets

Waterproof: Yes

Fogproof: Yes

Shockproof: Yes

Application: Hunting, target shooting, and general-purpose rifle use

Dimensions and Fit Information

Compatible with standard 1-inch scope rings

40mm objective provides excellent brightness without excessive bulk

Balanced design suitable for bolt-action and semi-automatic rifles

Lightweight construction preserves natural rifle balance and handling

Usage Instructions

Mount the riflescope using compatible 1-inch scope rings or bases designed for your rifle platform.

Adjust eye relief and level the reticle before securing the mounting hardware.

Zero the riflescope at your preferred shooting distance using the windage and elevation adjustments.

Use the Dead-Hold BDC reticle to assist with holdover when engaging targets at longer distances.

Periodically verify mounting screws and confirm zero to maintain consistent accuracy.

Ideal Applications

Whitetail deer hunting

Predator and varmint hunting

Open terrain hunting

Range practice and recreational shooting

General-purpose hunting rifles

Why Choose the Diamondback 4-12×40 Rifle Scope

Versatile magnification range for multiple hunting environments

Dead-Hold BDC MOA reticle for practical holdover references

Bright fully multi-coated optics for clear images

Durable aircraft-grade aluminum construction

Waterproof, fogproof, and shockproof reliability

Trusted performance from Vortex Optics

Warranty Information

The Diamondback 4-12×40 Dead-Hold BDC MOA 1 Inch Rifle Scope by Vortex Optics is protected by the Vortex VIP Warranty. This unlimited lifetime warranty covers defects and damage, ensuring long-term reliability and peace of mind for hunters and shooters.