The Holosun LE321-GR Infrared Laser Sight is an excellent aiming device that is designed to provide shooters with a high level of accuracy and precision. The device is built with a complete titanium housing, which provides excellent durability and ensures that the device is able to withstand rough conditions in the field.

The LE321-GR is equipped with a coaxial dual laser and IR illuminator, which includes a class IIIA visible green laser, a class 2M IR laser, and an IR Illuminator. The lasers are coaxially mounted, which makes it easy for users to zero the device quickly and efficiently. The IR Illuminator focus adjustment feature allows users to fine-tune the device to their specific needs, providing a high level of flexibility and versatility.

Another feature that sets the LE321-GR apart from other aiming devices is its 300-lumen white light. This bright light is powerful enough to illuminate targets in low-light conditions, making it an essential tool for users who need to operate in dimly lit environments. The high/low brightness setting allows users to adjust the brightness of the light to their specific needs.

The quick-release picatinny rail mount makes it easy to attach and detach the device from a rifle, ensuring that users can switch between different aiming devices quickly and easily. The remote cable switch is also an excellent feature, which allows users to activate the device without taking their hands off the rifle. This is particularly useful in situations where speed and accuracy are critical.

The LE321-GR is also IPX8 waterproof, which means that it is able to operate in wet conditions without any risk of damage. This makes it an excellent tool for users who need to operate in challenging environments.

In terms of specifications, the LE321-GR uses a CR123a battery, which provides a long battery life. The device offers a range of brightness settings, which allows users to adjust the device to their specific needs. The housing is made from titanium and finished with a titanium surface, which provides a high-quality finish that looks great and is highly durable.

The LE321-GR offers an adjustment per click of 0.5 MOA, which is highly accurate and allows for precise aiming. The device also has a W&E travel range of ±60 MOA, which provides plenty of room for adjustments in the field. The device is also able to operate in extreme temperatures, with a storage temperature range of 40℃~65℃ and a working temperature range of -40℃~51℃.

Overall, the LE321-GR Infrared Laser Sight is an excellent aiming device that offers a high level of accuracy and precision. Its durable construction, powerful lasers, and bright white light make it an essential tool for users who need to operate in challenging environments. The device is highly adjustable, versatile, and easy to use, making it an excellent choice for shooters of all skill levels.