The Holosun ARO (Advanced Rifle Optic) 2 MOA Green Dot Sight (brand part no. AROGR2) updates the popular 403/503-series footprint with a new 22mm housing built to pair cleanly with Holosun’s magnifier line. Holosun ships the ARO with a 1.63-inch lower 1/3 co-witness pedestal mount already matched to the housing, and the fixed 2 MOA green dot gives a precise, low-obstruction aiming point for rifle and carbine use. Unlimited eye relief means head position behind the optic isn’t critical for a fast sight picture. Among red dot sights, the ARO suits shooters building a magnified red-dot setup who want a housing designed to mate with a magnifier from the start.

Key Specifications

• The reticle is a 2 MOA green dot.
• The magnification is 1x.
• The housing size is 22mm, designed to mate with Holosun magnifiers.
• Eye relief is unlimited.
• The mount is a 1.63-inch lower 1/3 co-witness pedestal mount.
• The finish is black.

Frequently Asked Questions

Can I add a magnifier to this sight? Yes, the ARO’s 22mm housing is designed to pair with Holosun’s magnifier series.

What mount does it come with? A 1.63-inch lower 1/3 co-witness pedestal mount.

Buy the Holosun ARO 2 MOA Green Dot Sight

A magnifier-ready housing with a precise 2 MOA green dot is exactly what the Holosun ARO delivers. Order it from our Lubbock, Texas gun shop and it ships fast to your door.