HOLOSUN HE403R-GD Red-Dot Sight

HOLOSUN HE403R-GD — a closed red-dot (reflex) sight with a 2 MOA yellow (gold) dot, designed for fast aiming, reliable field performance, and long battery life. The sight is manufactured by HOLOSUN with a 6061 aluminum alloy housing featuring micro-arc oxidation, is nitrogen-purged to prevent fogging, and meets IP67 protection standards. The illumination system is built on Holosun's proprietary Super LED, providing energy-efficient operation for up to 100,000 hours from a CR2032 battery. The package includes high and low mounts for Weaver/Picatinny rails, making the sight versatile for various platforms.

Design Features

• Sight type: red-dot (reflex), closed housing
• Housing material: aluminum (6061 alloy)
• Housing coating: micro-arc oxidation
• Multi-layer optical coating: Multilayer Reflective Glass / Fully Multi-Coated
• Illumination: Super LED with a wide intensity range
• Yellow (gold) reticle color for more comfortable target acquisition
• Housing gas filling: nitrogen (to prevent fogging)
• Rotary brightness adjustment dial integrated with battery compartment
• Adjustment turrets with protective caps
• Windage and elevation adjustment mechanism
• Recoil resistance: withstands loads up to 1000 G

Technical Specifications

• Brand: HOLOSUN
• Category: Military Gear > Optics > Red-Dot Sights
• Mounting: Weaver/Picatinny
• Lens size: 20 mm
• Reticle: 2 MOA dot
• Reticle color: yellow (gold)
• Illumination wavelength: 590 nm
• Illumination intensity: 12 levels (10 DL + 2 NV), first 2 levels for NVG use
• Power source: CR2032 battery
• Battery life: up to 100,000 hours (at setting 6)
• Recoil tolerance: 1000 G
• Adjustment range: ±50 MOA
• Click value: 0.5 MOA
• Coating: Fully Multi-Coated / Multilayer Reflective Glass

Package Contents

• Red-dot sight (with high mount)Low mount
• Rubber lens caps
• Battery (CR2032)
• Tool kit
• Manual
• Lens cleaning cloth

Dimensions and Weight

• Sight dimensions: 65 x 69 x 40 mm (with high mount)
• Sight weight: 100 g
• Sight weight with high mount: 166 g
• Package dimensions: 123 x 92 x 80 mm
• Package weight: 384 g

The HOLOSUN HE403R-GD is ideal for hunters, sport shooters, and tactical users seeking a compact, lightweight, and energy-efficient red-dot sight with a high degree of protection and long battery life. The durable 6061 alloy housing and micro-arc oxidation ensure wear resistance, while nitrogen purging and IP67 protection guarantee reliable operation in extreme weather conditions. The inclusion of both Weaver/Picatinny mount types allows for flexible mounting on various platforms, and the multi-layer coating and Super LED enhance contrast and reticle clarity.

This sight strikes a balance between weight and functionality: its small dimensions and 100g weight make it an excellent choice for those who value mobility, while the optional high mount adds convenience for installation on different systems. The capped turrets and precise adjustment capability (±50 MOA, 0.5 MOA click) ensure quick and accurate zeroing. The 12 levels of illumination intensity, including two levels for use with night-vision devices, make the sight versatile in various lighting conditions.

The HOLOSUN HE403R-GD — a reliable choice for hunting, sport shooting, and tactical applications, combining high energy efficiency, shock resistance up to 1000 G, and a well-thought-out package for immediate deployment.

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