Contractor 640 3-12x50 Thermal Weapon Sight

(3 reviews)
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The Contractor Thermal Weapon Sight is built around our proprietary ArmaCORE™ 12 micron thermal core. It combines extensive detection capabilities and a rich, detailed picture with onboard image processing, wireless communication interface, GPS, and internal memory. The Contractor Thermal Weapon Sight is a premium-component build that is noticeably more compact and lighter weight than conventional thermal scopes. It provides up to four hours of continuous operation on two CR123 batteries—a 50% longer run-time based on lower power consumption as compared to similar units on the market.

The Contractor series also offers another first; the turret system that enables users to navigate features, such as digital zoom, color pallet and reticles quickly and intuitively to adapt to changing conditions and environments. The units come equipped with a digital compass and inclinometer that help calculate distance, direction and angles. Like all Armasight products, the Contractor is MIL-STD compliant—allowing for reliable use in all weather conditions.


  • Multiple color palettes
  • Intuitive menus with turret controls
  • 8+ Reticle Types
  • 4 hours runtime at 20° C
  • Image Detail Enhancement
  • 1/2MOA Boresight
  • Quick Detach Mount Included
  • Video Recording & Image Capture
  • USB Video Stream
  • Wi-Fi Video Stream
  • Bluetooth 5.0 Capabilities
  • Application on iOS / Android Devices
  • USB-C Interface for External Devices
  • Integrated Stadiametric Rangefinder
  • Inclinometer
  • Levelometer
  • Graphic Compass
  • Picture in Picture Mode
  • Angle Cosine Indicator
  • Reticle ON/OFF Selection
  • Battery Status Indicator
  • Alloy Metal Body and Ergonomic Design

Package Includes

  • Contractor 640 3-12x50mm Thermal Weapon Sight
  • Quick Detach Mount
  • USB-C Cable 
  • Thermal Zeroing Target
  • 2 x CR123A Batteries
  • Lens Cloth
  • Soft Case
  • Product Manual


Detector Type ArmaCORE(TM) 640x480 12um Thermal Core
Detection Range 1,865m on a Human Sized Target
Eye Relief 45mm
FOV [HxV] 8.8°(H)×6.6°(V)
Memory 4 Hours of Video
Dimensions (mm/in) 210 × 88 × 95mm / 8.2 × 3.4 × 3.7in
Weight 875g / 1.93lbs
Optical Magnification 3.2x
Lens System F/1.00; 50mm
Digital Zoom 1x - 4x
Diopter Adjustment -5 to +5 dpt
Battery Life Up to 4h at 20° C (68° F)
Battery Type 2 x CR123A (3V)
Wireless Bluetooth 5.0, Wifi
Display XGA (1024 x 768) AMOLED
Graphics Active On-Screen Graphics
Refresh Rate 60 Hz
Operating Temperature -40° C to +50° C (-40° F to + 122° F)
Recoil Rating Up to .50cal
Waterproof IP67
Image Processing Digital Enhancement
Warranty 3 years w/ registration


  • 5

    Posted by Chris P. on Sep 20th 2023

    The first thing I noticed as soon as I got my hands on this was built like a tank. It's not heavy but you can tell it's all quality. The image is very clear on all magnifications and has several different color pallettes. Its very simple to use when in the field as well. You will not be disappointed.

  • 5
    Robust and Easy to Use

    Posted by Jason R on Sep 11th 2023

    Let me start by saying that I have wanted a thermal scope for some time. I have a done a lot of research on various companies. What swayed me to Armasight is their customer service and professionalism. After purchase support is really important when spending this kind of money. The scope is great buy, and I would recommend it to anyone. The Image Quality is very good and has a lot of options to customize to perform in different hunting scenarios. I really like the easy record feature and the PIP mode when you zoom, really great for follow up shots.

  • 5
    Great Image and Quality

    Posted by Kirk J on Sep 8th 2023

    Let me start by saying the Contractor is built with quality, it is robust and the right steps were taken to have the system waterproof. Hunting in different environments you want a product that can stand up to the challenge and work well. Image quality is great and tons of options to optimize based on the environment you are hunting in. I really enjoy the quick detach mount they include with the scope, super easy to mount and move the scope to another rifle.