Discover Unrivaled Precision: The Leupold Mark 3HD 3-9x40mm Illuminated FireDot TMR Scope

For serious shooters and outdoor enthusiasts who demand uncompromising performance in a wide array of conditions, the Leupold Mark 3HD 3-9x40mm illuminated scope stands out as a paramount choice. Whether you're a dedicated hunter tracking game at dawn, a tactical professional requiring rapid target acquisition, or a sport shooter honing your precision at the range, this scope is engineered to elevate your capabilities. It's designed to solve the common dilemmas faced by marksmen: achieving crystal-clear visibility in challenging light, ensuring repeatable accuracy shot after shot, and possessing a durable optic that can withstand the rigors of any environment.

Imagine a scenario where a fleeting moment defines success or failure. In such instants, clarity, speed, and reliability are not merely advantageous – they are essential. The Leupold Mark 3HD 3-9x40mm, identified by its MPN 180666 and UPC 030317028732, is crafted precisely for these critical moments, offering a versatile magnification range that excels in both close-quarters engagements and mid-range precision shots.

What Makes the Leupold Mark 3HD 3-9x40mm an Essential Optic?

At its core, the Mark 3HD 3-9x40mm is built around Leupold's renowned Elite Optical System. This proprietary system is the bedrock of its superior performance, delivering:

• Exceptional Light Transmission: When the light starts to fade, whether at dusk or dawn, the Elite Optical System ensures maximum light reaches your eye, providing a brighter, clearer image. This is crucial for extending your effective shooting hours and identifying targets in low-light conditions where other scopes might fail.
• Unmatched Glare Reduction: Harsh sunlight or bright reflections can obscure your view and lead to missed opportunities. The advanced lens coatings and optical design of the Mark 3HD effectively minimize glare, ensuring a crisp, high-contrast image even when aiming into the sun. This capability grants shooters a significant advantage in varied lighting scenarios.
• Outstanding Resolution: Seeing fine details at distance is paramount for precise shot placement. The Elite Optical System provides unparalleled resolution, allowing you to discern subtle textures, distinguish targets from their backgrounds, and confidently identify your point of aim. This level of clarity is vital for precision shooting, particularly at longer ranges or in complex environments.

These optical advantages combine to deliver a vivid, true-to-life sight picture that instills confidence and enhances your ability to make accurate shots.

Key Features Optimized for Performance and Reliability

Beyond its elite optical performance, the Leupold Mark 3HD 3-9x40mm is packed with features designed to maximize user effectiveness and withstand the toughest conditions.

Versatile Magnification and Objective Lens

• 3-9x Magnification: This classic and highly versatile magnification range makes the Mark 3HD ideal for a wide array of shooting applications. At 3x, you gain a broad field of view (33.70 ft at 100 yards), perfect for tracking moving targets or scanning an area quickly. When dialed up to 9x, you get ample magnification for precise shot placement on targets at medium distances, or for detailed observation. This flexibility answers the question: "What is the best scope for both close and mid-range shooting?"
• 40mm Objective Lens: A 40mm objective lens strikes an excellent balance between light-gathering capability and compact size. It gathers ample light for bright images without adding excessive bulk or weight (15.80 oz), ensuring the scope remains manageable and easy to mount on various rifle platforms.

The Illuminated FireDot TMR Reticle

The Illuminated FireDot TMR (Tactical Milling Reticle) is a standout feature, providing both speed and precision.

• Illumination for All Conditions: The FireDot illumination offers a bright, crisp aiming point that is visible in any lighting condition, from bright daylight to deep twilight. This is incredibly beneficial for rapid target acquisition, especially against dark backgrounds or in dense cover. For users asking, "How does an illuminated reticle help in low light or against dark targets?", the answer lies in its ability to provide a clear, contrast-rich aiming point that your eye can quickly pick up.
• Tactical Milling Reticle (TMR): The TMR design is a versatile mil-based reticle that provides precise holdover and windage points without cluttering the sight picture. It features subtensions that allow for accurate range estimation, lead calculation for moving targets, and precise holdovers for bullet drop. This makes it an invaluable tool for experienced shooters who understand the ballistic intricacies of their ammunition.

Second Focal Plane (SFP) Advantage

The Mark 3HD features a Second Focal Plane (SFP) reticle.

• Consistent Reticle Size: In an SFP scope, the reticle remains the same size relative to your eye across the entire magnification range. This means that while the target appears larger or smaller as you zoom in or out, the reticle itself does not change in apparent size. This consistency is preferred by many hunters and tactical shooters who prioritize a clear, unchanging aiming point, especially for rapid target acquisition at lower magnifications.
• Precise Holdovers at Specific Magnifications: While the subtensions (mil-dots, hash marks) are only accurate for ranging and holdovers at a specific magnification (typically the highest or a marked magnification), SFP scopes are often simpler to use for those who prefer to zero their rifle and use holdovers primarily at their preferred hunting or shooting magnification. This addresses questions like, "What is a second focal plane reticle and why would I choose one?"

Robust Mechanical Design

• 30mm Main Tube: The 30mm main tube diameter provides ample room for the scope's internal erector system, allowing for a generous range of windage (125 MOA) and elevation (125 MOA) adjustments. This robust construction also contributes to the scope's overall durability and strength.
• Zero Stop: The Zero Stop feature is a critical component for repeatable accuracy. Once you've zeroed your rifle, you can set the Zero Stop, preventing accidental rotation of the elevation dial below your zero. This means you can confidently dial up for long shots and quickly return to your established zero without looking, even in challenging conditions. For those wondering, "How do I ensure my scope holds its zero after adjustments?", the Zero Stop provides that peace of mind.
• Custom Dial Compatible: Leupold offers a Custom Dial System (CDS) that allows you to tailor your elevation dial to your specific ballistic data (ammunition, muzzle velocity, altitude). This feature eliminates the need for complex holdovers, letting you simply dial the exact distance to your target. It's an exceptional tool for precision long-range shooting and streamlines the process of engaging targets at varying distances. This answers the question: "Can I customize my scope for specific ammunition?"

Built for the Field: Durability and Reliability

Every Leupold scope, including the Mark 3HD 3-9x40mm, is engineered to endure. It's constructed from high-grade aluminum and finished in a rugged Matte Black, designed to minimize reflections and blend seamlessly with your firearm. Leupold’s commitment to durability is legendary, famously putting their scopes through "The Punisher," their recoil simulation machine that delivers 5,000 impacts at 750 Gs. This extreme testing ensures that your scope will withstand years of heavy recoil and harsh environmental conditions.

• Waterproof, Fogproof, and Shockproof: The Mark 3HD is rigorously sealed and nitrogen-purged to guarantee absolute waterproof and fogproof performance, even in extreme temperature changes or torrential rain. Its robust construction ensures it is shockproof against drops and heavy recoil. This level of reliability is paramount for any serious outdoor pursuit.

Who Can Benefit from the Leupold Mark 3HD 3-9x40mm Scope?

This versatile rifle scope is an exceptional choice for a diverse range of users and applications:

• Hunters: Whether pursuing deer in dense timber or hunting varmints in open fields, the 3-9x magnification range, low-light performance, and durable construction make it an ideal hunting companion. Its wide field of view (13.60 - 33.70 ft @ 100 yds) at lower magnifications assists in quick target acquisition in brush.
• Tactical Shooters: The illuminated FireDot TMR reticle, coupled with the rugged 30mm tube and precise 0.10 Mil adjustments, makes the Mark 3HD suitable for tactical applications requiring rapid engagement and reliable performance under pressure. The Zero Stop ensures quick returns to established zero in dynamic environments.
• Sport Shooters and Enthusiasts: Those who enjoy precision shooting at various distances will appreciate the clarity, repeatability, and user-friendly features like the Custom Dial compatibility. It's a reliable optic for improving skills and achieving tighter groups.
• Anyone Seeking an Uncompromising, Versatile Optic: If you demand high performance, exceptional clarity, and unwavering reliability from your optics, the Mark 3HD is built to exceed expectations.

The Leupold Legacy: Trust and Performance

Choosing a Leupold optic means investing in a legacy of American-made excellence, backed by generations of optical innovation. Since 1907, Leupold & Stevens, Inc. has been designing, machining, and assembling some of the world's finest optics in Beaverton, Oregon. This commitment to domestic manufacturing ensures stringent quality control and a deep understanding of the needs of American shooters.

Leupold stands behind its products with a legendary Lifetime Guarantee. This unparalleled warranty underscores their confidence in the durability and craftsmanship of every scope they produce. If your Mark 3HD scope ever fails to perform as promised, Leupold will repair or replace it for free, regardless of who owns it. This promise provides ultimate peace of mind and is a strong signal of the brand's topical authority and commitment to user satisfaction.

Where to Acquire Your Leupold Mark 3HD 3-9x40mm Scope

When considering an investment in high-performance optics like the Leupold Mark 3HD 3-9x40mm, it's essential to purchase from a trusted retailer. The Leupold Mark 3HD with MPN 180666 and UPC 030317028732, along with a wide selection of other premium firearms and accessories, is readily available at DEGuns. As a reputable provider, DEGuns.com offers competitive pricing, expert advice, and reliable service, ensuring you receive genuine Leupold products and the support you need for your shooting endeavors.

Equip your rifle with the Leupold Mark 3HD 3-9x40mm and experience a new standard of optical performance, reliability, and precision that will enhance every shot you take.

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Leupold Mark 3HD 3-9x40mm Specifications

Feature	Detail	Attribute
Model Number	180666	MPN
UPC	030317028732	Code
Optic Series	Mark 3HD	Line
Magnification	3-9x	Variable
Objective Diameter	40mm	Light In
Tube Diameter	30mm	Robust
Reticle	Illuminated FireDot TMR	Precision
Focal Plane	Second	SFP
Finish	Matte Black	Stealth
Material	Aluminum	Durable
Firearm Type	Rifle	Application
Field of View	13.60 - 33.70 ft @ 100 yds	Wide
Adjustment Size	0.10 Mil	Fine
Windage Adjust.	125 MOA	Range
Elevation Adjust.	125 MOA	Range
Length	12.70"	Compact
Weight	15.80 oz	Light
Parallax Adj.	150 yds	Fixed
Exit Pupil Diam.	4.20 - 3.70mm	Clarity
Special Features	Custom Dial Compatible	Enhanced
	Illuminated, Zero Stop	Essential
SKU	131134	Internal