Leupold Mark 3HD 4-12x40mm Riflescope: Precision, Durability, and Versatility for the Modern Shooter

The Leupold Mark 3HD 4-12x40mm Illuminated FireDot TMR riflescope (MPN: 180668, UPC: 030317028763) stands as a testament to Leupold's commitment to excellence, delivering rugged reliability and optical precision for a wide array of shooting applications. Whether you're a dedicated hunter tracking game from dawn till dusk, a competitive sport shooter aiming for the tightest groups, or a tactical professional demanding unwavering performance, this scope is engineered to provide the clarity, control, and confidence needed to make every shot count. Crafted around Leupold's revered Elite Optical System, the Mark 3HD series is specifically designed for those who require a scope that not only performs flawlessly in challenging conditions but also offers intuitive features for rapid adjustments and superior target acquisition.

Unrivaled Optical Clarity: The Leupold Elite Optical System Advantage

At the core of the Leupold Mark 3HD 4-12x40mm is the proprietary Elite Optical System. This advanced lens coating and optical design system is what sets Leupold apart, ensuring exceptional light transmission, superior glare reduction, and remarkable resolution across the entire magnification range.

• Exceptional Light Transmission: For hunters and shooters who often find themselves in low-light conditions – during dawn, dusk, or heavily canopied environments – the ability to gather as much light as possible is critical. The Elite Optical System optimizes light throughput, providing a brighter, clearer image even when light is scarce, giving you crucial extra minutes of shooting light.
• Best-in-Class Glare Reduction: Harsh sunlight, reflective surfaces, or snow can create debilitating glare, obscuring your target. The Mark 3HD’s Elite Optical System effectively manages and reduces glare, ensuring a crisp, high-contrast image regardless of the lighting conditions. This means less eye strain and a more definitive target picture.
• Unmatched Resolution: Pinpoint accuracy demands absolute clarity. The superior resolution offered by this optical system allows shooters to discern fine details, evaluate target zones accurately, and make precise shot placements from various distances. This level of detail is paramount for identifying small game, precise aiming points on targets, or assessing environmental factors that might affect your shot.

So, for users asking, "What's the best scope for low-light hunting conditions?" or "How can I get a clearer image when shooting in bright sunlight?", the Leupold Mark 3HD provides a definitive answer through its advanced Elite Optical System.

Versatile Magnification and Objective for Diverse Applications

The 4-12x magnification range paired with a 40mm objective lens makes the Leupold Mark 3HD an incredibly versatile optic, ideal for close to mid-range engagements.

• 4x Magnification: At its lowest setting, the 4x magnification offers a wide field of view, making it excellent for rapid target acquisition in close quarters, tracking moving targets, or navigating dense terrain. It's perfect for situations where you need a broad situational awareness.
• 12x Magnification: When stretched to 12x, this scope delivers ample power for precise shot placement at extended mid-ranges. This magnification is highly effective for varmint hunting, target shooting at 300-600 yards, or for any scenario requiring a detailed view of the target without excessive shake often associated with higher magnifications.
• 40mm Objective Lens: The 40mm objective strikes an optimal balance between light gathering capability and a compact profile. It contributes significantly to the bright image quality, especially in challenging light, while keeping the overall size and weight of the scope manageable, ensuring it doesn't overburden your firearm. This balance is key for shooters who value portability without sacrificing performance.

The Illuminated FireDot TMR Reticle: Precision in Any Environment

The heart of precision aiming in the Leupold Mark 3HD is its Illuminated FireDot TMR (Tactical Milling Reticle) positioned in the Second Focal Plane (SFP). This combination offers significant advantages for a variety of shooting disciplines.

• FireDot Illumination: The FireDot illumination system provides a bright, crisp red dot at the center of the reticle. This illuminated aiming point is incredibly valuable in low-light conditions, against dark targets, or in situations requiring rapid target acquisition. The intensity of the illumination is adjustable, allowing you to tailor it to specific lighting scenarios, ensuring your aiming point is always clearly visible without washing out the target.
• Tactical Milling Reticle (TMR): The TMR is a highly effective, non-cluttering reticle designed for precise range estimation, holdovers, and windage corrections. Its fine hash marks provide accurate subtensions for serious shooters who utilize the reticle for advanced aiming techniques. For those asking, "How can I make accurate shots without adjusting my turrets constantly?", the TMR provides an excellent solution for holdovers.
• Second Focal Plane (SFP) Advantage: In an SFP scope, the reticle remains the same size relative to your view of the target as you change magnification. This means the reticle appears consistent, which many hunters and target shooters prefer for a clean sight picture at all magnifications. While the subtensions (the spacing of the hash marks) are only accurate at a specific magnification (typically the highest setting), this consistency is often favored for ease of use in dynamic scenarios. For example, a hunter setting their scope to 12x for a precise long-range shot can trust the TMR subtensions, while at 4x, the reticle remains clear and does not appear overly thick or obtrusive.

Robust Construction and Advanced Features for Unyielding Performance

The Leupold Mark 3HD 4-12x40mm is not just about optical performance; it's built to withstand the harshest conditions and engineered with features that enhance user experience and reliability.

• Rugged 30mm Main Tube: The 30mm main tube is a cornerstone of this scope's durability and adjustment range. Its larger diameter provides increased strength and rigidity, making the scope more resilient to impact and recoil. Furthermore, a 30mm tube generally offers a wider range of internal elevation and windage adjustment, giving shooters more flexibility for long-range engagements or adapting to various bullet trajectories.
• Aircraft-Grade Aluminum Construction: Milled from a single piece of aircraft-grade aluminum, the Mark 3HD's body is incredibly robust yet surprisingly lightweight (16.20 oz). This unibody construction enhances structural integrity, making it impervious to the rigors of field use. The matte black finish provides a non-reflective surface, crucial for preventing glare and maintaining stealth in tactical or hunting environments.
• Custom Dial Compatible (CDS): Leupold's Custom Dial System (CDS) is a game-changer for ballistic compensation. Once you provide Leupold with your specific rifle and ammunition data, they can craft a custom-engraved elevation dial for your scope. This dial allows you to simply turn to your exact yardage, eliminating the need for complex holdovers or calculating clicks. For shooters wondering, "How can I make fast and precise elevation adjustments for different distances?", CDS offers a simple, intuitive, and highly accurate solution.
• Zero Stop Functionality: The Zero Stop feature is indispensable for ensuring you never accidentally dial below your established zero. After setting your initial zero, the Zero Stop mechanism prevents the elevation dial from rotating past that point, allowing for rapid and confident returns to zero without needing to count clicks. This is particularly valuable in high-stress situations or when making multiple adjustments in the field.
• Precision Adjustments: With an 80 MOA of both windage and elevation adjustment, the Mark 3HD offers ample range for varying distances and environmental conditions. Leupold's turrets are renowned for their crisp, audible, and repeatable clicks, giving shooters the confidence that every adjustment translates directly and consistently to point of impact. This reliability is crucial for maintaining accuracy over time and in dynamic shooting scenarios.

Who Can Benefit from the Leupold Mark 3HD? Ideal User Profiles

The Leupold Mark 3HD 4-12x40mm is designed to meet the demands of a wide range of shooting enthusiasts:

• The Dedicated Hunter: For those pursuing big game or varmints, the Mark 3HD’s Elite Optical System provides vital low-light performance. Its rugged build ensures it can endure harsh weather and demanding terrain, while the 4-12x magnification is perfect for diverse hunting scenarios, from open fields to timber. The FireDot TMR assists in quick, ethical shots.
• The Sport Shooter & Target Enthusiast: Whether at the rifle range or participating in precision shooting competitions, the Mark 3HD offers the optical clarity and repeatable adjustments needed to achieve tight groups. The CDS system streamlines adjustments for different distances, and the TMR reticle is excellent for practicing holdovers and improving marksmanship.
• The Tactical or Law Enforcement Professional: Reliability, quick target acquisition, and durability are paramount. The Mark 3HD delivers on all fronts, offering a robust scope that can withstand rigorous use. The illuminated reticle ensures rapid sight picture acquisition in varying light, and the clear glass provides crucial situational awareness.

If you're asking, "What's a reliable, do-it-all scope that excels in challenging environments?", the Leupold Mark 3HD is a compelling answer. It's built for those who refuse to compromise on performance.

Leupold's Legacy of Durability and Dependability

Beyond its impressive features, the Leupold Mark 3HD benefits from Leupold’s legendary reputation for durability. Every Leupold scope undergoes rigorous testing to ensure it can withstand extreme temperatures, shock, and moisture. They are nitrogen-purged to prevent fogging, completely waterproof, and designed to perform flawlessly even after significant impacts. This commitment to 'bulletproof' reliability is why countless professionals and enthusiasts trust Leupold in the most demanding situations. When you invest in a Leupold, you're investing in decades of American engineering excellence and a product designed to last a lifetime.

Where to Acquire Your Leupold Mark 3HD Riflescope

For those ready to elevate their shooting experience with the Leupold Mark 3HD 4-12x40mm Illuminated FireDot TMR riflescope, this exceptional optic is readily available. You can find the Leupold Mark 3HD, along with a comprehensive selection of other premium firearms accessories, at DEGuns. DEGuns offers competitive pricing, knowledgeable customer service, and a seamless purchasing experience, ensuring you get the right gear for your needs.

When considering a precision optic that combines advanced features, unparalleled durability, and exceptional optical performance, the Leupold Mark 3HD 4-12x40mm (UPC: 030317028763) stands out as a premier choice. It’s an investment in accuracy, reliability, and the confidence to perform at your best, every time.

Leupold Mark 3HD 4-12x40mm Specifications

Feature	Detail
Brand	Leupold
Model	Mark 3HD
Magnification	4-12x
Objective Diameter	40mm
Tube Diameter	30mm
Reticle	Illuminated FireDot TMR
Focal Plane	Second Focal Plane (SFP)
Material	Aluminum
Finish	Matte Black
Firearm Type	Rifle
Field of View	21.50 - 10 ft @ 100 yds
Windage Adjustment	80 MOA
Elevation Adjustment	80 MOA
Length	12.70"
Weight	16.20 oz
Exit Pupil Diameter	4.90 - 3.70mm
Special Features	Custom Dial Compatible, Zero Stop
UPC	030317028763
MPN	180668
SKU	131135