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Holosun Technologies  |  SKU: RSR-HSIRIS-GR2

Holosun - IRIS-GR2 Dual Green & IR Laser Aiming Device

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Description

The Holosun IRIS-GR2 is a compact, next-generation dual-function aiming device engineered for professional shooters, tactical operators, and advanced rifle builds. With a rugged 7075-T6 aluminum housing, the IRIS-GR2 delivers a 45% weight reduction and a 21% lower profile compared to the Holosun LS221 series, making it an ideal choice for modern, lightweight setups.

This mission-ready laser module integrates co-aligned visible green and infrared (IR) lasers, allowing the visible laser to be used for quick daylight zeroing of both lasers. A center-positioned fire button supports both momentary and constant ON modes, while the rear-facing selector switch ensures fast, intuitive operation. For added flexibility, the IRIS-GR2 includes an ultra-compact pressure pad with a Crane-style plug for remote activation.

Durable, waterproof, and shock-resistant, the IRIS-GR2 is designed to perform reliably in the harshest environments.

Key Features:

  • Dual-function aiming device with visible green and IR lasers
  • Co-aligned lasers allow daylight zeroing with visible laser
  • Compact and lightweight – 45% lighter, 21% lower profile than LS221
  • 7075-T6 aluminum housing with hard-anodized finish
  • Fire button supports momentary and constant ON
  • Rear-facing power/mode selector switch for improved ergonomics
  • Includes compact single-button Crane-style pressure pad
  • Waterproof (IPX8), shock-resistant, and vibration tested to 1000G

Specifications:

  • Dimensions: 3.2 x 1.85 x 1.3 in.
  • Weight: 5 oz
  • Housing: 7075-T6 aluminum, hard anodize finish
  • Adjustment per Click: 0.5 MOA
  • Windage & Elevation Range: ±50 MOA
  • Laser Class: Visible 3R (<5mW), IR Class 1 (<0.7mW)
  • Battery: CR123A, long runtime (hours vary by mode)
  • Operating Temp: -30℃ to 60℃ | Storage Temp: -40℃ to 70℃
  • Waterproof Rating: IPX8

In the Box:

  • 1 x Holosun IRIS-GR2
  • 1 x Single-Button Pressure Pad (Crane-style)

Compact, rugged, and precise, the Holosun IRIS-GR2 is the ultimate dual-laser aiming solution for professionals who demand top-tier performance in any environment.

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-GR2 a suitable choice for tactical operators?

The co-aligned laser system in the IRIS-GR2 simplifies the zeroing process by allowing the visible green laser to be used for daylight adjustments. This ensures that both the visible and IR lasers are aligned without the need for separate adjustments, saving time and reducing complexity in the field. This feature is particularly beneficial in dynamic environments where quick transitions between light conditions are necessary.

How does the co-aligned laser system benefit users of the IRIS-GR2?

The co-aligned laser system in the IRIS-GR2 simplifies the zeroing process by allowing the visible green laser to be used for daylight adjustments. This ensures that both the visible and IR lasers are aligned without the need for separate adjustments, saving time and reducing complexity in the field. This feature is particularly beneficial in dynamic environments where quick transitions between light conditions are necessary.

What are the operational modes available on the Holosun IRIS-GR2?

The Holosun IRIS-GR2 offers both momentary and constant ON modes, controlled by a center-positioned fire button. This allows users to choose between temporary activation for brief engagements or continuous operation for extended use. The rear-facing selector switch provides intuitive control over these modes, enhancing ease of use in high-pressure situations.

How does the IRIS-GR2 perform in adverse weather conditions?

The IRIS-GR2 is built to withstand harsh environments, featuring an IPX8 waterproof rating and shock resistance up to 1000G. This ensures reliable performance in rain, snow, and other challenging weather conditions. Its robust construction makes it suitable for both urban and rural tactical operations where environmental unpredictability is a factor.

What are the power requirements for the Holosun IRIS-GR2?

The IRIS-GR2 is powered by a CR123A battery, providing long runtime capabilities. The battery life varies depending on the mode and environmental conditions, but it is engineered to support extended operations without frequent replacements. This is crucial for missions where access to spare batteries may be limited.

How does the IRIS-GR2 integrate into existing tactical setups?

The IRIS-GR2 includes a compact pressure pad with a Crane-style plug for remote activation, allowing seamless integration into existing tactical gear. This feature is particularly useful for operators who need to maintain control over their weapon systems while keeping their hands free for other tasks. The device's low profile and lightweight design also ensure it does not interfere with other mounted equipment.

What are the limitations of using the IRIS-GR2 in urban environments?

In urban environments, the IRIS-GR2's lasers may be less effective over long distances due to obstacles like buildings and vehicles. While the device is highly effective for close to mid-range engagements, users should be aware of potential reflections and interference from glass surfaces. Operators should always consider the operational environment and adjust their tactics accordingly.

How does the IRIS-GR2 compare to the Holosun LS221 series?

The IRIS-GR2 offers a 45% weight reduction and a 21% lower profile compared to the LS221 series, making it more suitable for lightweight setups. These improvements enhance maneuverability and reduce fatigue during extended operations. The advancements in design do not compromise durability, as the IRIS-GR2 maintains the robust construction necessary for demanding tactical use. For more on selecting the right laser aiming device, check our Optics, Sights & Lasers collection.

What are the primary applications of the IRIS-GR2 in tactical scenarios?

The IRIS-GR2 is primarily used for precision aiming in both daylight and low-light tactical scenarios. Its dual laser system allows for quick target acquisition and engagement, making it ideal for law enforcement, military, and security operations. The device's compact design also makes it suitable for use on personal defense weapons and short-barreled rifles.

How can the IRIS-GR2 be incorporated into a comprehensive security setup?

Incorporating the IRIS-GR2 into a security setup involves pairing it with other tactical accessories such as optics and night vision devices. This combination enhances situational awareness and target acquisition capabilities. Operators should consider the overall balance and weight distribution of their gear to maintain agility and effectiveness. For additional insights on optimizing your security gear, explore our Tactical Survival Gear guide.