Leupold Mark 4HD 2.5-10x42 FFP Rifle Scope - M5C3, Illuminated TMR, 183738

The Leupold Mark 4HD 2.5-10x42 FFP Rifle Scope - M5C3, Illuminated TMR, Matte (183738) is designed for shooters who require precise MIL-based adjustments, first focal plane accuracy, and dependable performance across a wide range of distances. Its 2.5-10x magnification range makes it a versatile option for both tactical applications and field use.

Built around Leupold's Professional-Grade Optical System, this riflescope delivers sharp image clarity, strong contrast, and reduced glare in varying lighting conditions. The illuminated TMR reticle maintains accurate holdovers at any magnification, while the M5C3 turret system, combined with ZeroLock and Zero Stop features, ensures consistent tracking and reliable return to zero.

Find the right optic by browsing our Mark 4HD scope series built for precision and durability.

Best Uses

• Precision shooting with MIL-based adjustments
• Mid-range to extended-range engagements
• Tactical rifle setups and field applications
• Shooters requiring first focal plane reticle accuracy

Key Features

• Professional-Grade Optical System - Provides excellent clarity, light transmission, and glare reduction
• Motion Sensor Technology (MST) - Extends battery life by automatically managing illumination
• Integrated Throw Lever - Allows quick magnification changes in dynamic shooting scenarios
• Electronic Reticle Level - Indicates rifle cant to help maintain accuracy
• ZeroLock Dial - Locks elevation adjustments to prevent accidental movement
• Zero Stop - Enables fast and repeatable return to zero
• Custom BDC Dial Compatible - Supports ballistic-specific dialing solutions
• Illuminated TMR Reticle - Enhances target visibility while maintaining precise hold points
• Nightvision Compatible Illumination - Offers brightness settings for use with night vision devices
• Waterproof, Fogproof, & Shockproof - Built to withstand demanding environments

Why This Riflescope Stands Out

This Mark 4HD configuration stands out for shooters who want true first focal plane performance combined with MIL-based precision. The illuminated TMR reticle ensures accurate holdovers at any magnification, while the M5C3 turret system delivers consistent adjustments. Its balanced magnification range makes it adaptable for both field shooting and more precise engagements.

If you're dialing for distance, understanding your reticle system is critical. This MOA vs MRAD explanation will help you make the right choice.

Specifications

• Finish: Matte
• Reticle: Illuminated TMR
• Magnification: 2.5-10x
• Objective Lens: 42mm
• Field of View @ 100 yds: 42.2-11 ft
• Click Value: 0.1 MIL
• Elevation Adjustment Range: 24.7 MIL
• Windage Adjustment Range: 24.7 MIL
• Eye Relief: 3.6-3.9 in
• Parallax: Side Focus
• Length: 12.5 in
• Weight: 21.5 oz
• Tube Size: 30mm

To complete your setup, pair this scope with dependable scope rings and bases for a secure mounting system. You can also explore Leupold accessories to enhance your optic and overall shooting performance.

For optimal setup, review our scope ring height guide to ensure proper mounting and alignment.

Frequently Asked Questions

What is the benefit of a first focal plane reticle?
A first focal plane reticle maintains accurate holdovers and ranging at all magnification levels, making it ideal for precision shooting.

Is this scope designed for MIL adjustments?
Yes, it uses a 0.1 MIL click value with MIL-based elevation and windage adjustments for precise dialing.

Is this scope suitable for both tactical and hunting use?
Yes, its magnification range and durable construction make it a versatile option for both field and tactical applications.