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Holosun Technologies  |  SKU: RSR-HSIRIS-GR3

Holosun - IRIS-GR3 Dual Green Laser & IR Illuminator

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Description

Holosun IRIS-GR3 Dual Laser & IR Illuminator is a professional-grade aiming and illumination system engineered for precision shooters, tactical operators, and night vision users. Built from rugged 7075-T6 aluminum with a hard-anodized finish, the IRIS-GR3 delivers uncompromising strength in an ultra-compact footprint—43% lighter and 20% lower profile than the LS321 series.

This advanced, triple-function device integrates a co-aligned visible green laser, infrared (IR) laser, and high-output IR illuminator, enabling rapid zeroing in any environment. The IRIS-GR3’s 60mW VCSEL IR illuminator offers exceptional clarity and range in low-light or no-light conditions when paired with night vision gear.

Key Features:

  • Constructed from 7075-T6 aluminum—lightweight, durable, and corrosion-resistant
  • Integrated visible green laser and IR aiming laser with precise 0.5 MOA adjustments
  • 60mW VCSEL IR illuminator with adjustable beam width (15–150 MRAD)
  • Ambidextrous central fire button and dual rear-facing mode selectors
  • Low-profile remote switch with Crane plug and VIS override
  • Compact, ergonomic design optimized for rifle or carbine platforms
  • Submersible (IPX8) and vibration rated up to 1000G for field reliability

Specifications:

IR Illuminator Output: 60mW VCSEL
IR Laser: 0.7mW VCSEL
Visible Green Laser: 5mW (Class 3R)
Adjustment per Click: 0.5 MOA
Housing Material: 7075-T6 Aluminum
Battery Type: CR123A
Dimensions: 3.2 x 1.97 x 1.34 in
Weight: 6.4 oz
Operating Temperature: -20°C to 51°C
Storage Temperature: -40°C to 70°C
Submersion Rating: IPX8

In the Box:

  • Holosun IRIS-GR3 Laser & IR Illuminator
  • Remote switch with Crane plug
  • CR123A battery
  • User manual and adjustment tools

Engineered for professionals and enthusiasts alike, the Holosun IRIS-GR3 combines precision, versatility, and durability for any tactical or nighttime operation—ideal for law enforcement, military, or serious civilian use.

Holosun IRIS-GR4 Quad Laser & IR Illuminator is a cutting-edge, professional-grade aiming and illumination system built for tactical precision and all-environment performance. Crafted from 7075-T6 aluminum with a hard-anodized finish, the IRIS-GR4’s redesigned housing is 43% lighter, 29% lower, and 28% narrower than the legacy LS420—ideal for modern PDWs, SBRs, and rifle platforms where space and balance matter.

This quad-function system combines a co-aligned visible green laser, infrared (IR) aiming laser, 60mW VCSEL-based IR illuminator, and a powerful 1,000-lumen white light producing 25,000 candela. Operators can transition seamlessly between day, night, and low-light engagements, using the visible laser for daylight zeroing and maintaining precision alignment across both visible and IR spectrums.

Key Features:

  • Quad-function system: visible green laser, IR laser, 60mW IR illuminator, and 1,000-lumen white light
  • Precision-milled 7075-T6 aluminum body—43% lighter, 29% lower, and 28% narrower than the LS420
  • Co-aligned laser system for simplified zeroing and consistent point-of-aim
  • Top-mounted IR beam slider adjusts from wide flood to focused spot (15–150 MRAD)
  • Dual independent fire buttons for ambidextrous laser and light activation
  • Rear-positioned mode and power selector for quick, intuitive operation
  • Triple-button remote with Crane plug and visible laser override
  • Operates on two CR123A batteries (included) or one rechargeable 18650 (not included)
  • Waterproof (IPX8), vibration rated to 1000G, and optimized for field reliability

Specifications:

IR Illuminator Output: 60mW VCSEL (Class 1)
IR Laser Output: 0.7mW VCSEL (Class 1)
Visible Laser Output: 5mW (Class 3R)
White Light Output: 1,000 Lumens / 25,000 Candela
Battery Type: 2x CR123A (included) or 1x 18650 (not included)
Adjustment per Click: 0.5 MOA
Housing Material: 7075-T6 Aluminum
Dimensions (in): 4.2 x 2.3 x 1.4
Weight: 8.5 oz
Operating Temperature: -30°C to 60°C
Storage Temperature: -40°C to 70°C
Submersion Rating: IPX8

In the Box:

  • Holosun IRIS-GR4 Quad Laser & Illuminator
  • Triple-button pressure pad (Crane plug)
  • 2x CR123A batteries
  • User manual and adjustment tools

The Holosun IRIS-GR4 delivers unmatched versatility and reliability for professional operators, night vision users, and serious enthusiasts. Whether for law enforcement, military, or civilian tactical setups, this quad-function laser and light module ensures readiness and precision across any lighting condition.

Help me choose:

Model Family Core Functionality Key Additions / Upgrades
IRIS-1 (RD1 / GR1 / IR1) Single-function: visible red or green laser (or IR laser in IR1) in a compact, low-profile housing. Base model with visible or IR laser only. No IR illuminator or white light. Ideal for basic daylight or NVG aiming.
IRIS-2 (RD2 / GR2) Dual-function: visible laser (red or green) plus an IR aiming laser (co-aligned). Adds IR pointer for night-vision compatibility. Compact and efficient for low-light operations.
IRIS-3 (RD3 / GR3) Triple-function: visible laser + IR laser + IR illuminator. Adds a 60 mW VCSEL IR illuminator for enhanced NVG performance. Allows illumination and aiming in total darkness.
IRIS-4 (RD4 / GR4) Quad-function: visible laser + IR laser + IR illuminator + white light. All-in-one system combining full daytime, nighttime, and white-light functionality. Top-tier performance for professional and tactical use.

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Frequently Asked Questions

What makes the Holosun IRIS-GR3 suitable for night vision operations?

Constructed from 7075-T6 aluminum, the Holosun IRIS-GR3 is both lightweight and incredibly durable. This material choice ensures the device is corrosion-resistant and able to withstand harsh environmental conditions. Its hard-anodized finish adds an extra layer of protection, making it suitable for tactical operations where equipment reliability is critical. The device's IPX8 submersion rating further enhances its resilience, allowing it to perform reliably in wet conditions.

How does the Holosun IRIS-GR3's construction enhance its durability?

Constructed from 7075-T6 aluminum, the Holosun IRIS-GR3 is both lightweight and incredibly durable. This material choice ensures the device is corrosion-resistant and able to withstand harsh environmental conditions. Its hard-anodized finish adds an extra layer of protection, making it suitable for tactical operations where equipment reliability is critical. The device's IPX8 submersion rating further enhances its resilience, allowing it to perform reliably in wet conditions.

What are the key features of the Holosun IRIS-GR3's laser and illuminator system?

The Holosun IRIS-GR3 integrates a co-aligned visible green laser, infrared (IR) laser, and a high-output IR illuminator. This combination allows for rapid zeroing and precision aiming in various environments. The 60mW VCSEL IR illuminator offers adjustable beam width, ranging from 15 to 150 MRAD, providing flexibility for different operational needs. These features make it an ideal choice for professional shooters and tactical operators who require versatility in their aiming and illumination tools.

How does the Holosun IRIS-GR3 compare to the LS321 series in terms of size and weight?

The Holosun IRIS-GR3 is designed to be 43% lighter and 20% lower in profile compared to the LS321 series. This reduction in size and weight makes it more suitable for modern rifle and carbine platforms where space and balance are crucial. The compact and ergonomic design ensures that the device does not interfere with other equipment, providing a seamless integration into tactical setups.

What battery does the Holosun IRIS-GR3 use and how does it affect performance?

The Holosun IRIS-GR3 operates on a single CR123A battery, which is known for its reliability and long shelf life. This battery type is commonly used in tactical gear due to its ability to provide consistent power output in extreme temperatures. However, users should be mindful of battery life during extended operations and carry spares to ensure uninterrupted performance. For more on energy solutions in tactical environments, see our Batteries, Packs & Chargers collection.

What mounting options are available for the Holosun IRIS-GR3?

The Holosun IRIS-GR3 is designed to be mounted on rifle or carbine platforms, making it versatile for various tactical applications. Its compact design ensures it can be mounted without interfering with other accessories. The low-profile remote switch with a Crane plug allows for easy integration with existing setups, providing ambidextrous control and quick access during operations.

How does the IRIS-GR3 perform in adverse weather conditions?

The Holosun IRIS-GR3 is built to withstand adverse weather conditions, thanks to its IPX8 submersion rating. This rating ensures that the device remains operational even when submerged in water, making it ideal for use in rainy or wet environments. Additionally, the device is vibration rated up to 1000G, ensuring it can handle the rigors of field operations without losing functionality.

What are the trade-offs of using the Holosun IRIS-GR3 in urban versus rural settings?

In urban settings, the compact size and integrated laser and illuminator of the Holosun IRIS-GR3 provide significant advantages for close-quarters engagements. The device allows for quick target acquisition and precision in confined spaces. However, in rural settings, while the IR illuminator offers extended range visibility, users may need to consider additional optics for long-distance engagements. Balancing these aspects can optimize performance based on the operational environment.

Can the Holosun IRIS-GR3 be used effectively during the day?

Yes, the Holosun IRIS-GR3 can be used effectively during the day, primarily through its visible green laser. The green laser is highly visible in daylight conditions, allowing for accurate targeting without relying on IR capabilities. This makes the IRIS-GR3 a versatile tool for both day and night operations, providing consistent performance across different lighting conditions.

What is the significance of the 0.5 MOA adjustment on the IRIS-GR3?

The 0.5 MOA adjustment on the Holosun IRIS-GR3 allows for precise calibration of the laser and illuminator. This fine adjustment capability is crucial for maintaining accuracy over varying distances and conditions. It enables users to zero the device with high precision, ensuring that the point of aim remains consistent with the point of impact, which is essential for tactical and precision shooting scenarios.