The Holosun IRIS RD4 Weapon Laser Sight is a Holosun weapon laser sight with a Picatinny direct mount.
How It Compares
Also consider Holosun IRIS RD1 Weapon Laser Sight, Holosun IRIS GR1 Weapon Laser Sight, Holosun IRIS-IR1 IR Aiming Laser. Browse all Holosun.
Ideal For
- Rifles and handguns with a Picatinny rail — it mounts direct, no adapter
- Home defense and duty use where hesitation costs time
- Keeping weight down on a light build at 8.5 oz
Key Features
- Adjustment: 0.5 MOA per click, ±50 MOA windage and elevation travel
- Mount: Picatinny direct mount
- Battery: 1x 18650 or 2x CR123A
- Waterproof: IPX8
- Housing: 7075 T6 Aluminum, hard anodized black
- Activation: Independent fire buttons; three-button Crane-plug pressure pad included
- Weight: 8.5 oz
- Dimensions: 4.2 x 2.3 x 1.4 in
Technical Specifications
Battery | 1x 18650 or 2x CR123A |
Adjustment | 0.5 MOA per click, ±50 MOA windage and elevation travel |
White Light | 1,000 lumen / 25,000 candela |
Housing | 7075 T6 Aluminum, hard anodized black |
Weight | 8.5 oz |
Dimensions | 4.2 x 2.3 x 1.4 in |
Waterproof | IPX8 |
Vibration | 1000G |
Operating Temp | -30°C ~ 51°C (storage -40°C ~ 70°C) |
Mount | Picatinny direct mount |
Activation | Independent fire buttons; three-button Crane-plug pressure pad included |
SKU / MPN / UPC | IRIS-RD4 / IRIS-RD4 / 810047073888 |
Warranty
Holosun's Limited Lifetime Warranty is split by component: the housing and glass are covered for the life of the product, while the LED illumination system is covered for 10 years from the date of manufacture rather than the date you buy it. Batteries are not covered, and Holosun require you to register the product for the warranty to be valid.
US Shipping & Support
Shipped from D&R Sports Center in the USA with fast, tracked delivery. Questions on fit, mounting or which model suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
What does it mount to?
Picatinny direct mount.
What are the turret adjustments?
0.5 MOA per click, ±50 MOA windage and elevation travel.
What battery does it take?
1x 18650 or 2x CR123A.
Is it waterproof?
IPX8.
Is this a genuine Holosun product?
Yes — factory-new Holosun, supplied through US distribution. The part number is IRIS-RD4 and the barcode is 810047073888.
What warranty does it carry?
Holosun's Limited Lifetime Warranty is split by component: the housing and glass are covered for the life of the product, while the LED illumination system is covered for 10 years from the date of manufacture rather than the date you buy it. Batteries are not covered, and Holosun require you to register the product for the warranty to be valid.
