The ARO (Advanced Rifle Optic) from Holosun is an upgraded evolution of the 403 and 503 series, featuring a redesigned 22mm enclosed housing for improved durability and compatibility with magnifiers. Built for reliability in demanding conditions, it offers a crisp 2 MOA dot, long battery life, and Shake Awake technology for efficient performance on modern rifle platforms.

Specifications:

• Magnification: 1×
• Objective Lens: 22 mm
• Reticle: 2 MOA dot (Green)
• Brightness Settings: 12
• Eye Relief: Unlimited
• Adjustment Click Value: 0.5 MOA
• Battery: CR2032 lithium
• Battery Life: Up to 50,000 hours
• Material: Aluminum
• Water Resistance: IP67
• Weight: 3.38 oz

Key Features:

• Enclosed 22mm housing for enhanced durability
• Compatible with magnifiers
• Shake Awake motion activation
• Lower 1/3 co-witness mount (1.63")
• Compact and lightweight design