10 Best sniper AR 15 scopes 2025 in the United States

The Trijicon 4x32mm ACOG is a solid choice for an AR-15 sniper scope, especially if you're looking for reliability in tough conditions. It offers a fixed 4x magnification with a 32mm objective lens, which provides a clear and bright image, good for mid-range shooting. One standout feature is its dual illumination system that doesn’t rely on batteries; it uses tritium and fiber optics to automatically adjust reticle brightness based on light conditions. This means you’ll have a clear green crosshair reticle in various lighting, including low light or night vision use, without worrying about battery life.

The Trijicon ACOG 4 x 32 Scope USMC Rifle Combat Optic for A4 offers a robust and reliable option for those looking for a sniper scope for an AR-15. The scope features a fixed 4x magnification, which is ideal for medium-range engagements but may not suffice for very long-range shooting. The 32mm objective lens diameter provides a clear and bright image, although it may not be as large as some other sniper scopes in the market which can offer better light transmission in very low light conditions.

The Leupold VX-5HD 3-15x44 riflescope is a solid choice for AR-15 shooters looking for versatile magnification and reliable performance. Its 3-15x magnification range offers flexibility for both close and longer-range shots, while the 44mm objective lens provides good light gathering for clear images in various conditions. The illuminated FireDot Duplex reticle aids in quick target acquisition and low-light visibility. One standout feature is the CDS-ZL2 turret system, allowing precise elevation adjustments with a push-button lock to prevent accidental changes, which is especially useful for shooters who need consistent zeroing. The side focus parallax adjustment helps maintain a sharp sight picture, reducing eye strain and improving accuracy. Eye relief is comfortable, thanks to the 30mm tube size, accommodating different shooting positions. Leupold's Guard-ion lens coating resists dirt and water, enhancing maintenance ease and clarity. Constructed from durable aluminum, this scope is waterproof, fogproof, and shockproof, making it dependable in tough field conditions.