Armasight Contractor 640 vs 320 Thermal Weapon Sights [Video]

Updated: December 14, 2024 BY True Pearce

Estimated reading time: 0 minutes

The Armasight Contractor series is a line of thermal weapon sights that are designed to offer superior performance, versatility, and durability for hunters, shooters, and tactical operators. These sights are built around the proprietary ArmaCORE 12 micron thermal core, which provides excellent image quality, resolution, and detection range.

The Contractor series also features onboard image processing, wireless communication interface, GPS, and internal memory, as well as a digital compass, inclinometer, levelometer, and stadiametric rangefinder. The Contractor series is MIL-STD compliant, meaning that they can withstand harsh weather conditions and rugged use.

Armasight Contractor 640 packs a lot of features.

The Contractor 640 3-12×50 and the Contractor 320 3-12×25 are two models in the Contractor series that share many features and specifications but also have some differences that may affect your choice depending on your needs and preferences. In this review, I will compare and contrast these two models and highlight their strengths and weaknesses.

Similarities

Both the Contractor 640 3-12×50 and the Contractor 320 3-12×25 have the following features and specifications in common:

They have a magnification range of 3x to 12x, which allows for both close and long-range engagements. Remember that anything past 3x is digital magnification and pixelation occurs.
They have multiple color palettes, reticles, and illumination options to suit different scenarios and preferences.
They have a standard Picatinny mount and a quick detach mount for easy installation and removal.
They have a USB-C interface for external devices, such as power banks, monitors, or recorders.
They have a Wi-Fi and Bluetooth 5.0 capabilities that allow for wireless video streaming and remote control via iOS or Android devices.
They have a video recording and image capture function, as well as a shot-activated video recording feature that automatically records the moment of impact.
They have a picture-in-picture mode that shows a magnified image of the target area in a small window on the screen.
They have an angle cosine indicator that helps with ballistic calculations and compensations.
They have a battery status indicator that shows the remaining power level.
They have an alloy metal body and an ergonomic design that make them durable and comfortable to use.
The Contractor 640 3-12×50 and the Contractor 320 3-12×25 both have a high refresh rate of 60 Hz, This means that they can display a smoother and more fluid image especially when tracking moving targets or panning the sight.

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Armasight Contractor 320 Thermal Weapon Sight is smaller than the 640.

Differences

The main differences between the Contractor 640 3-12×50 and the Contractor 320 3-12×25 are:

The Contractor 640 3-12×50 has a higher sensor resolution of 640×480 pixels, while the Contractor 320 3-12×25 has a lower sensor resolution of 320×240 pixels. This means that the Contractor 640 3-12×50 can produce a sharper and more detailed image than the Contractor 320 3-12×25, especially at higher magnifications and longer distances.
The Contractor 640 3-12×50 has a larger objective lens diameter of 50 mm, while the Contractor 320 3-12×25 has a smaller objective lens diameter of 25 mm. This means that the Contractor 640 3-12×50 is going to see more detail at farther distances than the Contractor 320 3-12×25.
The Contractor 640 3-12×50 has a longer detection range of 1,865 m on a human-sized target, while the Contractor 320 3-12×25 has a shorter detection range of 932 m on a human-sized target. This means that the Contractor 640 3-12×50 can spot and identify targets at greater distances than the Contractor 320 3-12×25, which can be useful for long-range hunting or surveillance.
The Contractor 640 3-12×50 has a larger size of 210x88x95 mm, while the Contractor 320 3-12×25 has a smaller size of 198 x 88 x 95 mm. This means that the Contractor 640 3-12×50 is more bulky and conspicuous than the Contractor 320 3-12×25.
The Contractor 640 3-12×50 has a heavier weight of 1.93 lbs, while the Contractor 320 3-12×25 has a lighter weight of 1.71 lbs. This means that the Contractor 640 3-12×50 adds more load and fatigue to the weapon than the Contractor 320 3-12×25, which may affect the handling and mobility of the shooter.
The Contractor 640 3-12×50 has a higher price of $5,799.00, while the Contractor 320 3-12×25 has a lower price of $3,299.00. This means that the Contractor 640 3-12×50 is more expensive and less affordable than the Contractor 320 3-12×25, which may affect the budget and value of the buyer.

Armasight Contractor thermal has some of the best controls. — Armasight Contractor 640 and 320 Thermal Weapon Sight has perhaps the best controls in the industry for using in the dark, cold, or with gloves on.

Conclusion

The Armasight Contractor 640 3-12×50 and the Armasight Contractor 320 3-12×25 are both high-quality and advanced thermal weapon sights that offer many features and benefits for night vision enthusiasts. However, they also have some significant differences that may make one more suitable than the other depending on the user’s needs and preferences. The Contractor 640 3-12×50 is a better choice for those who prioritize image quality, detection range, and are willing to pay a higher price and accept a larger size and weight. The Contractor 320 3-12×25 is a better choice for those who prioritize affordability, compactness, lightness, and battery life, and are willing to compromise on some aspects of performance. Ultimately, the decision depends on the user’s personal goals and expectations, as well as the availability and compatibility of the products. For more information and details about the Armasight Contractor 640 3-12×50 and the Armasight Contractor 320 3-12×25

Interested in reading another review of the Armasight Contractor? Here’s one from the Outdoor Hub.