10 Best AR scopes 2025 in the United States

The ATN Thor 5 LRF Smart HD Thermal Scope is a strong contender in the thermal scope category, particularly suited for hunters who want advanced features. One of its standout strengths is the Ultra Sensitive Next Gen Thermal Sensor, paired with a high-resolution OLED display that offers rich colors and detailed visibility, making it easier to spot targets in varying light conditions.

Magnification ranges from 4x to 16x, providing flexibility for both close and long-range shots, while the built-in Laser Rangefinder is a valuable addition for those who want to ensure precision at any distance. The Advanced Ballistic Calculator helps users make informed decisions about their shots, enhancing accuracy and reducing guesswork.

The ability to create custom reticles is a fun and unique feature, allowing users to personalize their shooting experience. Moreover, the scope includes HD video recording capabilities, enabling hunters to capture their adventures in great detail, which is perfect for sharing with friends or reliving successful hunts. However, the size and weight of the scope (2.1 pounds) may be cumbersome for some users, particularly during extended outings. The scope is also ITAR restricted, meaning it cannot be exported, which might limit its accessibility for some users. Lastly, with a price point typically associated with high-end thermal scopes, it may not be suitable for budget-conscious hunters. The ATN Thor 5 LRF Smart HD Thermal Scope is a high-quality option for serious hunters seeking advanced technology and functionality, although potential users should weigh its size, weight, and price against their specific needs.

The Trijicon 4x32mm ACOG scope is a solid choice for AR rifles, particularly for users seeking durability and reliable performance. It features a fixed 4x magnification, which is ideal for mid-range shooting. The green crosshair reticle is illuminated without the need for batteries, using tritium and fiber optics to adjust brightness based on ambient light—making it convenient and ensuring visibility in varying light conditions.

The reticle is designed for quick target acquisition, useful for both tactical scenarios and recreational shooting like airsoft. The objective lens diameter of 32 millimeters offers a good balance between light gathering and a compact form factor. Additionally, the field of view is 7 degrees, providing a decent scope of vision for tracking moving targets. With an eye relief of 38.1 millimeters, it offers comfortable viewing without straining your eyes, which is essential for extended use.

Built with aircraft-grade aluminum and finished with durable flat dark earth Cerakote, the scope is nearly indestructible and highly resistant to harsh weather conditions, making it suitable for outdoor activities. This scope is combat-proven, enhancing its credibility and reliability for serious users.

The ATN X-Sight 5 Smart Day/Night Gen 5 Scope offers several advanced features tailored for hunting enthusiasts. With a magnification range from 5x to 25x, it provides versatility for various shooting distances. The Ultra HD 4K resolution ensures clear and vivid images both during the day and night, aided by its enhanced night vision mode. The ballistic calculator is a significant asset, simplifying shot calculations for improved accuracy.

Additionally, the scope can record videos in 4K resolution, with the capability to stream and record simultaneously thanks to its dual stream video feature. This is particularly useful for capturing hunting moments without distraction, as the Recoil Activated Video function will automatically record when a shot is fired. With a durable aluminum build, it's designed to withstand rugged outdoor conditions. Weighing 2.1 pounds, it is relatively lightweight for its feature set.

The scope also boasts over 14 hours of battery life, ensuring prolonged use in the field. A few potential drawbacks include its price point and the learning curve associated with its advanced features, which might be overwhelming for beginners. Nonetheless, for those looking for a high-tech scope with multiple functionalities, the ATN X-Sight 5 is a robust option.