Leupold Mark 4HD 2.5-10X42 M1C3 Riflescope

First Focal Plane - PR1-MOA Reticle

The Leupold Mark 4HD represents a pinnacle in precision optics, evolving from SOCOM-selected designs to deliver exceptional performance for demanding shooters. This 2.5-10x42 variant combines essential tactical features with practical considerations for competition and law enforcement applications.

Key Advantages:

• First Focal Plane PR1-MOA Reticle: Features 1 MOA increments and 40 MOA of measurement in each direction, ideal for precise ranging and shot placement.
• M1C3 ZeroLock Elevation Adjustment: Delivers precise 1/4 MOA clicks with 85 MOA of adjustment range, preventing unintended changes while ensuring accuracy.
• Enhanced Optical System: Delivers superior light transmission and glare reduction, meeting professional shooting standards.
• Strategic Magnification Range: The 2.5-10X magnification range accommodates diverse shooting scenarios.
• 4X Zoom Ratio: Optimizes optical quality within a focused range, prioritizing performance over unnecessary complexity.
• Streamlined Engineering: Combines the PR1-MOA reticle, daylight-optimized design, and 30mm tube for exceptional value.
• Manufacturer's Part Number: 183741

This elite tactical scope integrates advanced optical engineering with precise mechanical systems. The PR1-MOA reticle, developed with input from elite shooters and hunters, provides multiple aiming points for extreme long-range engagement. Its first focal plane design maintains consistent measurements across all magnifications.

In dynamic shooting environments, maintaining accuracy across variable distances presents significant challenges. The Mark 4HD addresses these demands through its refined optical system and robust mechanical design, surpassing its predecessor's capabilities.

This Mark 4HD variant excels in optical clarity and precision. The HD glass elements minimize light dispersion while maximizing image definition. The M1C3 elevation turret system maintains consistent accuracy across environmental conditions, providing clear tactile feedback during adjustments. The PR1-MOA reticle's first focal plane design ensures consistent ranging capability throughout the magnification range.

The scope delivers enhanced contrast and edge clarity. Its M1C3 ZeroLock elevation turret enables quick 1/4 MOA adjustments with clear indicators. The protected windage turret prevents accidental adjustments.

Zero retention remains reliable and predictable. The 4:1 zoom ratio achieves an optimal balance between range and engineering constraints. Quick focus adjustments complement the integrated magnification lever. The 30mm main tube ensures broad mounting compatibility.

Comparative Analysis:

Legacy Mark 4: Introduces refined optical clarity, improved turret precision, and streamlined design while maintaining core functionality.

Mark 5HD Comparison: Offers comparable performance in a more versatile 30mm platform versus the Mark 5HD's 35mm tube, expanding mounting options.

The Mark 4HD strategically positions itself between professional and recreational requirements. Its 42mm objective maximizes light transmission while maintaining practical dimensions. The 4:1 zoom ratio represents an engineering sweet spot, delivering excellent optical quality without excessive cost increases.

Andrew Conrad discusses why he chose the Leupold Mark 4HD.

PR1-MOA Reticle Features:

• Grid-based MOA system with 1 MOA increments
• 40 MOA measurement range in all directions
• Multiple aiming points for extended range shooting
• First focal plane design
• Developed through elite shooter collaboration
• Compatible with MOA-based adjustment system

Specifications: