ARO (Advanced Rifle Optic) is an advancement on Holosuns popular 20mm 403- and 503-series optics. ARO features an all-new 22mm housing design that mates perfectly with all Holosun magnifiers and an all-new 1.63” lower 1/3 co-witness pedestal mount. ARO is available as a 2MOA dot only or with the Holosun Multi-Reticle System (MRS) in Red, Green, or Gold.

In the Box

• ARO Optic
• 1.63 in Optic Mount
• 1.05 in Optic Mount
• Multi-tool
• Wrench
• Cleaning Cloth

Technology & Features

• Up to 50,000 Hour Battery Life
• Shake Awake™ with Last Setting Recall 
• Reticle options: MRS (2 MOA Dot & 65 MOA Circle), or 2 MOA Dot
• Battery Type: CR2032

Optical data

• Reticle (MRS): 65 MOA Circle & 2 MOA Dot; 2 MOA Dot; 65 MOA Circle 
• Reticle (2 MOA): 2 MOA Dot
• Reticle Color: Red (650nm) or Green (590nm)
• Parallax Free
• Unlimited Eye Relief
• 1x magnification
• Multi-Coatings

Electronic data

• Battery power source (CR2032)
• 50,000 hours battery life
• 10 DL & 4 NV brightness settings

Physical data

Window Size: 0.86" / 20 mm
Dimension: 2.48" × 1.54" × 2.63" / 63 x 39 x 66.8 mm
Weight: 10.4 oz / 295 grams

Mechanical data

• Housing Material: Durable Aluminum
• Surface Finish: Anodized
• 0.5 MOA adjustment per click
• W&E Travel Range: ±50 MOA