How does the First Focal Plane (FFP) TMR reticle in the Leupold Mark 4HD 2.5-10x42 benefit my shooting, especially for range estimation and holdovers?

The First Focal Plane (FFP) TMR reticle in this scope ensures that its subtensions remain accurate for range estimation and holdovers across all magnification settings, from 2.5x to 10x. This means your ballistic calculations and aiming points will be consistent regardless of the zoom level you're using. It's particularly beneficial for dynamic shooting scenarios where quick adjustments are needed.

What are the advantages of the M5C3 ZeroLock turrets on this scope, particularly for Australian hunting and tactical applications?

The M5C3 ZeroLock turrets provide precise 0.1 MIL per click tactile adjustments, allowing for accurate corrections in the field. The ZeroLock system is crucial for preventing accidental adjustments during movement or in rugged Australian bush conditions, ensuring your zero remains secure. Additionally, the three-turn dial offers ample adjustment range for various shooting distances.

Is the Leupold Mark 4HD 2.5-10x42 suitable for both tactical use and hunting in Australian conditions, and what makes it durable?

Yes, this scope is highly versatile, designed to excel in both tactical precision and lightweight hunting applications, making it ideal for Australian conditions. Its professional-grade optical system delivers clear images in various lighting, while the aircraft-grade aluminum construction ensures it's fully waterproof, fogproof, and shockproof. This robust build guarantees reliability whether you're in the outback or on a tactical range.

Does the Leupold Mark 4HD 2.5-10x42 require any specific electrical compliance or certifications for use in Australia?

No, the Leupold Mark 4HD 2.5-10x42 (MPN 183740) is a completely passive, non-illuminated optical device. It contains no electronic components, batteries, or charging ports. Therefore, standard Australian electrical compliance requirements such as 240V compatibility, SAA approvals, or RCM certification are not applicable to this product.

What type of mounting rings are compatible with the Leupold Mark 4HD 2.5-10x42 riflescope?

The Leupold Mark 4HD 2.5-10x42 features a 30mm maintube, which means it requires standard 30mm scope rings for mounting. We offer compatible options such as the Leupold QRW2 Quick Release Weaver Style Rings 30mm Tube (LE174074) or the Leupold Backcountry Rings 30mm Medium Matte (LE175120) to securely attach it to your firearm.

Tactical Riflescope - Leupold Mark 4HD LE183740

The Leupold Mark 4HD 2.5-10x42 M5C3 FFP TMR Riflescope (MPN: 183740, Model: LE183740) is a highly versatile, professional-grade optic designed to bridge the gap between tactical precision and lightweight hunting performance. Built around a durable 30mm maintube, this riflescope features a 4:1 zoom ratio with a magnification range from 2.5x to 10x and a 42mm objective lens. As a completely passive, non-illuminated optical device, it requires no batteries or electronic components, making it fully exempt from Australian electrical compliance regulations such as SAA or RCM certifications. This ensures reliable, uninterrupted performance in remote Australian hunting and shooting environments where power sources are unavailable.

Key Features:

Professional-Grade Optical System: Engineered to deliver elite light transmission, high-contrast resolution, and advanced glare reduction, ensuring a clear sight picture in harsh, direct sunlight or low-light twilight conditions.
M5C3 ZeroLock Turrets: Provides precise 0.1 MIL per click tactile adjustments with a three-turn dial. The integrated ZeroLock system prevents accidental turret rotation in the field and ensures a reliable return to zero.
First Focal Plane (FFP) TMR Reticle: The Tactical Milling Reticle (TMR) is positioned in the first focal plane, meaning the subtensions remain accurate for range estimation and holdovers across the entire 2.5x to 10x magnification range.
Rugged Construction: Machined from durable aircraft-grade aluminum, this scope is completely waterproof, fogproof, and shockproof. It includes a removable, low-profile throw lever for quick magnification changes.
Side Focus Parallax: Allows for quick parallax adjustment from 25 yards to infinity, ensuring sharp target focus at varying distances.

Technical Specifications:

Magnification Range: 2.5x to 10x
Objective Lens Diameter: 42 mm
Maintube Diameter: 30 mm (compatible with standard 30mm scope rings)
Focal Plane: First Focal Plane (FFP)
Reticle: Tactical Milling Reticle (TMR) — Non-Illuminated
Adjustment Type: M5C3 (0.1 MIL per click, 3-turn dial)
Total Elevation Adjustment: 24.7 MIL (approximately 85 MOA)
Total Windage Adjustment: 24.7 MIL
Eye Relief: 3.6 to 3.9 inches (91 mm to 99 mm)
Linear Field of View: 42.2 feet (at 2.5x) to 11.0 feet (at 10x) at 100 yards
Parallax Adjustment: Side focus (25 yards to infinity)
Length: 12.5 inches (31.75 cm)
Weight: 21.0 ounces (595 grams)

Who It Is For:

The Leupold Mark 4HD 2.5-10x42 is specifically built for shooters who require a multi-role optic. It is an exceptional choice for Designated Marksman Rifle (DMR) setups, mid-range tactical precision competitions, and crossover hunting applications where minimizing weight is essential. Australian hunters targeting medium to long-range game, as well as sports shooters participating in dynamic disciplines, will benefit from its compact 12.5-inch footprint, robust 30mm tube design, and reliable FFP reticle system.

SKU	LD38734LP
Model #	LE183740
Brand	Leupold
Shipping Weight	1.0000kg

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Leupold Mark 4hd Le183740 Riflescope 2.5-10x42 M5c3 Ffp Tmr 30mm

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