10 Best sniper AR 15 scopes 2025 in the United States

The Vortex Crossfire II 3-9x40 is a solid choice for an AR-15 sniper scope, especially for hunters and shooters who want a reliable and clear sighting tool. Its 3-9x magnification range offers good flexibility, allowing you to zoom in enough for precision at medium distances without losing the wider view needed for quick target acquisition. The 40mm objective lens balances brightness and size well, providing a clear image without making the scope too bulky. The V-Brite illuminated V-Plex reticle brightens the center dot with battery power, making it easier to spot your target in low light conditions.

Eye relief is generous, and the scope's forgiving eye box makes quick target alignment easy without the need for perfect eye positioning. The fast-focus eyepiece simplifies reticle crispness adjustments, which is convenient when switching between targets. While the turrets are functional, they may not offer the most precise tactical adjustments for windage and elevation on the fly. Similarly, the lack of parallax adjustment means this scope is best suited for medium-range shooting rather than long-range precision.

Constructed from strong aircraft-grade aluminum, the scope is durable and capable of withstanding rough outdoor conditions. Its waterproof and fogproof design ensures reliability in adverse weather. At just 15 ounces, it adds minimal weight to your rifle. Additionally, the lifetime VIP warranty provides added assurance. This scope is an excellent, straightforward, and durable option for typical AR-15 shooting distances with good clarity and illumination.

The Vortex Optics Crossfire II Dead Hold BDC Reticle Riflescope, 3-9x40, is a versatile and reliable option for AR-15 snipers. With a magnification range of 3x to 9x and an objective lens diameter of 40mm, it offers flexibility for various hunting and shooting scenarios. The Dead-Hold BDC reticle is particularly beneficial for estimating holdovers, which is crucial for accuracy at varying distances. One of the standout features is the long eye relief of 3.8 inches and an ultra-forgiving eye box, allowing quick target acquisition and a comfortable shooting experience.

The fast focus eyepiece also aids in swiftly adjusting the reticle focus for clear sight pictures. Additionally, the anti-reflective, fully multi-coated lenses ensure bright and clear views, which is essential for spotting targets in different lighting conditions. The scope's construction is robust, with a single-piece tube made from aircraft-grade aluminum, providing durability and shockproof performance. Its waterproof and fogproof capabilities, thanks to O-ring sealing and nitrogen purging, make it reliable in various weather conditions.

An added advantage is the lifetime, unlimited, unconditional VIP warranty, which offers peace of mind against defects and damages, although it does not cover loss or cosmetic damage. Weighing 16 ounces, it is relatively lightweight, which is beneficial for maintaining a balanced rifle setup. However, the scope is not equipped with night vision, which might be a limitation for users needing this feature in low-light conditions. Additionally, while suitable for airsoft sports, it is specifically designed for rifles, limiting its versatility across different firearms. With high customer ratings and a strong presence in the market, this riflescope is a solid choice for both novice and experienced shooters looking for a dependable and high-performing optic for their AR-15.