Holosun ARO EVO

• Large 26 mm viewing window: the enlarged sight picture makes it easier to pick up the dot quickly and track targets through recoil, which is especially useful on carbines and fast-handling tactical optics setups.
• 2 MOA illuminated dot: a fine aiming point supports precise shot placement without covering too much of the target, while adjustable brightness helps the sight stay usable from bright daylight to low-light conditions.
• 50,000-hour battery life: long runtime from a CR2032 battery reduces maintenance and makes the optic more dependable for rifles that stay ready for extended periods.
• Compact enclosed tube design: the full-tube housing protects the emitter better than open designs and keeps the optic slim and light at 125.00 g, helping maintain a balanced rifle.
• Rugged aluminum construction: the aluminium body, nitrogen filling, and waterproof, fogproof, shockproof build support reliable use in rain, temperature swings, and hard field handling.

About the Holosun ARO Series

The Holosun ARO series builds on the company’s earlier 20 mm 403 and 503 pattern optics and moves the concept toward a more modern enclosed rifle sight. In Holosun’s lineup, the series sits as a compact red dot platform for modern rifles and carbines, aimed at shooters who want a protected emitter, fast handling, and straightforward compatibility with magnifiers and common rail-mounted setups.

ARO models use a 22 mm class housing concept and an aluminum body that keeps the sight compact while still giving the durability expected from a hard-use rifle optic. The series is designed around quick target acquisition at close to medium distances, but it also supports more deliberate shooting when paired with a magnifier. Depending on the model, the range includes 2 MOA dot-only versions as well as Multi-Reticle System variants, with red, green, or gold illumination options. Holosun also specifies a 1.63-inch lower-third co-witness pedestal mount within the ARO family, reflecting the series’ focus on practical rifle integration rather than minimalist pistol-style mounting.

About the Holosun ARO EVO

The Holosun ARO EVO is a compact 1x enclosed red dot sight built for shooters who want a fast rifle optic with a larger sight picture than a traditional small tube format. Its 26 mm window gives a more open view around the aiming point, which helps with rapid transitions, target confirmation, and maintaining awareness during dynamic shooting. At the same time, the 2.00 MOA dot remains fine enough for more careful shot placement than a larger coarse dot, making the optic suitable for general-purpose carbines, training rifles, and practical shooting use.

The sight uses adjustable illumination with an intensity switch, allowing the dot to be tuned for changing light conditions. A parallax-free setup helps keep the aiming point intuitive at speed, while the enclosed tube construction protects the optical system better in rain, dust, and rough handling than an open emitter design. With 14mm/100m - 1/2MOA click adjustment and 50.00 MOA windage travel, the optic offers practical zeroing control for common rifle distances.

Mechanically, the ARO EVO stays easy to live with. Its 125.00 g weight keeps the rifle lively, and the 73.00 mm overall length leaves room for magnifiers or backup accessories on the rail. The CR2032 power supply and 50000.00 h battery life support long service intervals, while the nitrogen-filled, waterproof, fogproof, and shockproof construction helps the sight remain dependable across temperature changes from -30°C to +60°C.

About Holosun

Holosun develops sights, lasers, and illumination systems for shooting, hunting, law enforcement, and military use. The company is headquartered in California and works through a global manufacturing network. Holosun states that it has worked on optics and laser and infrared technologies since 2013, with the 403 Series identified in its history as the starting product line in 2015.

Its product range expanded quickly with the 510C in 2016, the 507C and 508T pistol sight lines in 2017, and the LE and LS laser series together with Super Green LED technology in 2018. Holosun is particularly known for practical electronic sight features such as Shake Awake, Solar Failsafe, and the Multi-Reticle System, which have helped establish the brand as a major name in modern red dot and tactical optics categories.

Main Features

• Product type: Full tube sight
• Magnification: 1x
• Window size: 26 mm
• Reticle position: 1. focal plane - FFP
• Reticle illumination: Yes
• Dot size: 2.00 MOA
• Adjustable intensity: Yes
• Parallax setting: Parallax-free
• Adjustment per click: 14mm/100m - 1/2MOA
• Windage: 14.45 mrad
• Windage (MOA): 50.00 MOA
• Battery: CR2032
• Battery life: 50000.00 h
• Length: 73.00 mm
• Width: 43.00 mm
• Height: 69.00 mm
• Weight: 125.00 g
• Housing material: Aluminium
• Lens coating: Multicoated
• Nitrogen filled: Yes
• Working temperature range: -30°C to +60°C
• Waterproof: Yes
• Fogproof: Yes
• Shockproof: Yes
• Color: Black
• Made in: China

Warranty

Holosun provides a 10-year warranty for the illumination system (LED). This product is also listed with a 10 years warranty specification, making that the relevant stated coverage period for this section.

In the Box

• Holosun ARO EVO optic
• CR2032 battery
• Low profile mount
• Rubber lens cover
• User manual
• Cleaning cloth
• Desiccant
• T10 Torx tool
• 11 mm hex wrench