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, an all-new 1.63” lower 1/3 co-witness pedestal mount, and compatibility with a new lens cover and anti-reflection device system (available separately). This combo package features the ARO-RD2 and HM3X in a hard case.
