ICUGR Integrated Compact Ultralight Gun-Mounted Rangefinder

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The Optics 1 Integrated Compact Ultralight Gun-Mounted Rangefinder (I-CUGR) mounts to a weapon system using the standard MIL-STD-1913 Picatinny Rail System giving the operator the ability to range man-sized targets out to 1500 meters (± 1 meter) (depending on conditions) without taking hands off the weapon system. Without additional effort or moving off position, the digital display provides users with distance information in meters or yards.

When used in conjunction with night vision optics, the I-CUGR increases a unit’s lethality by adding several capabilities:

  • Night Vision Mode
  • Vis Laser – used for aiming and boresight
  • IR Laser – used for night engagements or to mark targets for other team members
  • IR Flood Light – discrete illumination of target area.

Developed as a modular system, the I-CUGR can be used on all types of military Sniper, CQB, or crew-served weapon systems (adaptor required) and can be used with all types of bullet designs and calibers. The simple two-button operation allows for ease of use on the device or with a remote so the shooter’s hands never leave the weapon. The I-CUGR consumes very little power, allowing for extended use, and is ruggedized for military operations to include being waterproof to 1 meter. A single CR123 battery provides power for 3000+ LRF ranging events.


Wavelength - Low Power Power Class
Aim Lasers
632nm - 642nm 4.5 mW Class 3R
820nm - 840nm 0.55 mW Class I
820nm - 840nm 3 mW Class 3R
1500nm - 1600nm 3 mW Class I
Wavelength - High Power Power Class
Aim Lasers
632nm - 642nm 25 mW Class 3B
632nm - 642nm 25 mW Class 3B
820nm - 840nm 30 mW Class 3B
LRF Performance
Range of Return
NATO vehicle-sized target 2500m (±1m - 30% Reflective*) TYP.
NATO man-size target 1300m (±1m - 10% Reflective*) TYP.
*Fair Conditions = 23 km visibility, ambient temperature 20°C, pressure 1013 mBar, detection probability 90%
Power Supply
Battery Single CR123A
Dimensions (L x W x H) 5.96" x 2.84" x 1.80" (nominal)
Weight 12 oz (including remote and battery)
Operating temperature -32° to +49°C
Storage temperature -46° to +71°C
Immersion 1 m - 1 hr

Specifications subject to change without notice. All night vision products and accessories are controlled under export laws with guidance from International Traffic in Arms (ITAR). By purchasing equipment from Night Vision Devices, you understand that these products cannot leave the country without a valid US Dept of State License.

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