Holosun ARO Red Dot – 2 MOA, with HM3X 3x Magnifier
The ARO replaced Holosun's long-running 403 and 503 tubes, and it fixed the thing that dated them: the window. A 22mm housing gives you noticeably more to see through than the old 20mm tubes, on a sight that still weighs almost nothing.
Red keeps things simple and efficient. It draws the least current of the three colors, which is part of why the runtime numbers on these sights look the way they do. A 2 MOA dot is the precision choice. It covers two inches at 100 yards, so it doesn't hide a small target, and it's fine enough to shoot groups with rather than just point with.
It uses the Aimpoint Micro T1/T2 footprint, which is the most supported mount pattern in the business — Scalarworks, Unity, American Defense and LaRue mounts all bolt straight on. Two mounts ship in the box. Shake Awake powers the dot down after a set idle period and back up the moment the rifle moves, with the timeout adjustable or switchable off entirely.
This listing includes the HM3X 3x Magnifier, which flips out of the way when you want the dot alone and gives you magnification when you need to reach further. Buying them together costs less than adding the magnifier later.
Specifications
- Reticle: 2 MOA red dot
- Magnification: 1x
- Window: 22mm
- Footprint: Aimpoint Micro T1/T2
- Battery: CR2032, up to 50,000 hours
- Adjustment: 0.5 MOA per click, ±50 MOA travel
- Housing: 6061 aluminum, IP67 rated
- Features: Shake Awake, Last Setting Recall, 10 daylight and 2 night-vision brightness settings
- Part number: ARORD2HM3X
Fits: Any Aimpoint Micro T1/T2 mount. Two mounts included.
Covered by Holosun's limited lifetime warranty on the optic. Ships from WBT Guns, a licensed FFL dealer serving shooters since 2012.
