AT3 ARO™ 3 MOA Red Dot – Doctor/Venom/Fastfire Footprint

The AT3 ARO is a compact, versatile red dot sight built for fast target acquisition on pistols, rifles, and shotguns. Its wide viewing window gives you a clear sight picture while keeping the overall housing small and lightweight, making it a solid option for optics-ready handguns or a low-profile rifle setup.

The crisp 3 MOA red dot is a good all-around size for range use, training, and general shooting applications. With 6 brightness settings, waterproof and shockproof construction, and a 5,000-hour battery life at medium brightness, the ARO is designed to be simple, durable, and easy to use.

This optic uses the Doctor/Fastfire/Venom footprint, giving it broad compatibility with many adapter plates and mounting options. Depending on the selected version, it can be used with a low mount or an absolute co-witness riser setup for AR-style platforms.

Key Features

• 3 MOA red dot reticle
• Doctor/Fastfire/Venom mounting footprint
• Wide viewing window in a compact housing
• 6 brightness settings
• Parallax-free design with unlimited eye relief
• Multi-coated, scratch-resistant lenses
• Waterproof, fogproof, and shockproof construction
• 5,000-hour battery life at medium setting
• 6-hour auto shutoff
• Matte black anodized 6061 aluminum body
• CR1632 battery included

What’s Included

• AT3 ARO Red Dot Sight
• Rubber lens cover
• CR1632 battery
• Low Picatinny/Weaver mount
• Lens cloth
• Adjustment/mounting tools
• Instruction sheet

Compatibility Note:
The ARO uses the Doctor/Fastfire/Venom footprint. Fitment may depend on the firearm, slide cut, or adapter plate being used. For pistol mounting, confirm compatibility with your firearm or mounting plate before ordering.