Holosun ARO-GR2 Green 2MOA Dot Reflex Optic ARO-GR2

Upgrade your shooting accuracy with the Holosun ARO-GR2 Green 2MOA Dot Reflex Optic, engineered for fast target acquisition and rugged reliability. Part of Holosun’s Advanced Rifle Optic (ARO) series, this optic builds on the success of the popular 20mm 403 and 503 series with a larger 22mm housing for a wider field of view and optimal compatibility with magnifiers.

The ARO-GR2 features a crisp 2 MOA green dot reticle, delivering ultra-clear visuals with unlimited eye relief and parallax-free performance. Designed with a 1.63” lower 1/3 co-witness mount, it offers superior versatility for AR platforms and tactical setups, while the included 1.05” mount adds flexibility for other applications.

Constructed from durable aluminum with a hard-wearing MAO finish, the ARO-GR2 is built to withstand harsh environments, featuring IP67 waterproofing, shock resistance up to 1000G, and reliable operation in extreme temperatures from -30°C to 60°C. With 50,000 hours of battery life on a single CR2032 battery, you’ll experience unmatched performance on the range or in the field.

The Holosun ARO-GR2 also comes with 10 daylight brightness settings and 2 night vision settings, making it an ideal reflex optic for both daytime and low-light shooting.

Key Features:

• 2 MOA crisp green dot for fast target acquisition

• Advanced 22mm lens for a wider field of view

• Co-witness and low-profile mounts included

• 50,000-hour battery life with CR2032 battery

• Waterproof, shockproof, and rugged aluminum housing

• Parallax-free with unlimited eye relief

• Perfect for AR-style rifles and tactical applications

What’s Included:
ARO-GR2 optic, 1.63” and 1.05” mounts, multi-tool, wrench, and cleaning cloth.

Ideal for competitive shooting, tactical use, or home defense, the Holosun ARO-GR2 Green Dot Reflex Sight delivers professional-grade optics in a compact, lightweight design.