Overview ARO (Advanced Rifle Optic) is an advancement on our popular 20mm 403 and 503 series optics. ARO features an all-new 22mm housing design that mates perfectly with our magnifier series and an all-new 1.63” lower 1/3 co-witness pedestal mount. ARO is available as a 2MOA dot only or with our Multi-Reticle System (MRS) in Red, Green, or Gold. Key Features 2 MOA dot — Offers a precise yet quick acquisition reticle in red (also available in green or gold/MRS versions). Shake Awake™ — Motion-activated LED that conserves battery, automatically reactivating with slight movement. Configurable shut-off timer from 10 min to 12 hr. Up to 50 000 hrs runtime — Utilizing efficient LED tech with manual brightness control (10 daytime/2 night settings) on a single CR2032 battery. Durable build — Hard anodized aluminum housing rated IP67 for shock, dust, and water resistance. Multi‑layer coating — Enhanced glass clarity and glare reduction for crisp sight picture. Compact & lightweight — Measures ~2.5″ long, weighs just 3.4 oz, and offers unlimited eye relief with parallax-free performance. Side-load battery tray — Quick CR2032 swaps without removing from the rail, preserving zero alignment. Precision adjustments — ½ MOA click turret adjustments with ~±50 MOA total windage/elevation travel. In the Box ARO‑RD2 optic with 2 MOA red dot Low 1.05″ and high 1.63″ picatinny mounts CR2032 battery installed Multi-tool & hex wrench Cleaning cloth Lens covers User manual & warranty information OPTICAL SPECS Reticle 2 MOA Dot Light Wavelength 650 nm Reticle Color Red Parallax Free Yes Unlimited Eye Relief Yes Magnification 1× Multi-Coatings Yes ELECTRONIC SPECS Power Source Battery Battery Type CR2032 Battery Life (Hours) 50,000 Brightness Setting 10 DL & 2 NV PHYSICAL SPECS Window Size 0.86 in Dimension (in) 2.48 × 1.54 × 2.63 Weight (oz) 3.38 MECHANICAL SPECS Housing Material Durable Aluminum Surface Finish MAO (Micro‑Arc Oxidation) Adjustment per Click 0.5 MOA W & E Travel Range ±50 MOA ENVIRONMENT SPECS Storage Temperature -40℃ ~ 70℃ Working Temperature -30℃ ~ 60℃ Submersion IP67 Vibration 1000G
