ARO (Advanced Rifle Optic) is an advancement on the 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.

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*Item must be returned in unused condition and in the original manufacturer's packaging (if applicable). If an item arrives non-defective and accurate to its description, this guarantee does not apply and returns will not be organized in those situations. Please confirm compatibility and specifications with us regarding item Holosun Black 1x 2 MOA Red Dot before purchasing if you are unsure.