10 Best AR 15 scopes 2026 in the United States

The Trijicon ACOG 4 x 32 Scope is a versatile and robust choice for those needing a reliable AR-15 scope. It features a magnification range from 3x to 4x, which is suitable for mid-range shooting. The objective lens diameter of 40mm ensures clear and bright images. One of its standout features is the tritium/fiber optic illuminated reticle that adjusts brightness based on available light, making it advantageous for various lighting conditions without needing batteries. The red Chevron ranging reticle aids in bullet drop compensation up to 800 meters, enhancing long-range accuracy, particularly when paired with the USMC's M16A4 weapon system.

The ATN Thor 5 LRF is a high-tech thermal scope designed to enhance shooting performance in low visibility conditions such as night or fog. It features a 4-16x magnification range suitable for various distances, and a 320x240 sensor resolution paired with a bright OLED display provides clear, detailed images with rich colors, making target spotting easier in any light. The built-in laser rangefinder (LRF) allows quick distance measurement to targets, improving shooting accuracy.

The ATN X-Sight 5 LRF is a digital smart scope designed for AR-15 rifles, offering a wide magnification range from 3x to 15x, which is versatile for both close and medium-range shooting. Its ultra HD 4K+ resolution delivers very clear images with vivid colors, making target identification easier during the day. One standout feature is its enhanced night vision mode, allowing you to see clearly in low light without extra equipment, which is great for hunting in dawn or dusk conditions. The scope includes multiple reticle options, so you can choose what best suits your shooting style. It also boasts a ballistic calculator built-in, which helps adjust for bullet drop and wind, potentially improving accuracy without manual calculations.