Holosun ARO EVO with HM3X

• SPR reticle with HM3X magnifier: The enclosed ARO EVO sight is paired with the flip-to-side HM3X 3x magnifier, giving the setup true close-range speed in 1x mode and more precise target identification when distance increases.
• BDC-oriented aiming system: Holosun’s SPR reticle combines a center aiming point, holdovers, circle, and ranging references, which helps shooters move from fast snap shots to more deliberate mid-range holds without changing optics.
• Large 26 mm viewing window: The generous objective size makes the sight picture feel less confined than many compact tube dots, supporting quicker dot pickup and better awareness around the target.
• 50,000-hour battery life with solar support: Long runtime on a CR2032 battery reduces maintenance, while Solar Failsafe helps keep the reticle visible when lighting conditions change.
• Sealed aluminum construction: The aluminum housing, nitrogen purging, and waterproof, fogproof, and shockproof build support dependable use on carbines and rifles exposed to weather, recoil, and hard field handling.

About the Holosun ARO Series

Holosun ARO is the company’s enclosed rifle-optic family built as a development of its well-known 403 and 503 series. In Holosun’s lineup, the series sits as a modern carbine and rifle solution for shooters who want the familiar speed of a compact red dot but with a more protective tube-style housing and stronger integration with magnifiers. The family is intended for sporting rifles, defensive carbines, and general-purpose tactical optics use where a fast 1x sight needs to remain practical beyond short range.

Across the range, the ARO concept emphasizes an enclosed design, an aluminum housing, and compatibility with Holosun magnifiers through its 22 mm class housing format. Depending on the model, the series is offered with a simple 2 MOA dot or with Holosun reticle variants that add circles and hold references for more flexible aiming. Holosun positions the ARO line as a bridge between compact size and rifle-oriented usability, with features such as motion-activated illumination in the broader family and mounting heights suited to common AR-pattern sight lines. The result is a series aimed at shooters who need quick acquisition, protected electronics, and easy adaptation to both unmagnified and magnified use.

About the Holosun ARO EVO with HM3X

The Holosun ARO EVO with HM3X is built for shooters who want one sighting setup to cover both fast carbine work and more deliberate engagements at longer distance. The optic itself is a 1x enclosed red dot sight with a full tube design and a large 26 mm window, so it remains quick to index at close range while giving a more open sight picture than many smaller micro-style dots. Paired with the HM3X magnifier, the system gains the ability to identify targets more clearly and use the reticle’s hold references with greater confidence when shooting farther out.

What sets this version apart is the SPR reticle. Instead of a plain dot, it uses a center aiming point with holdovers, a 65 MOA circle, and ranging references, making it more useful on rifles that may be used across varying distances. In practice, that means the sight can stay fast for near targets while also giving more structure for intermediate-range shots, especially when the magnifier is flipped into place. The sight is also parallax-free, offers adjustable brightness with dedicated intensity controls, and runs on a CR2032 battery with a stated 50,000-hour battery life, reducing the need for frequent battery changes.

Mechanically, the optic is designed for hard rifle use. Its 6061 aluminum housing, hard-anodized finish, nitrogen-filled interior, and waterproof, fogproof, and shockproof construction help maintain reliability in changing weather and under recoil. The included mounts support different sight heights, and the HM3X adds a practical flip-to-side capability so the rifle can transition quickly between unmagnified speed and magnified precision without changing the primary optic.

About Holosun

Holosun is a California-headquartered optics manufacturer focused on sights, lasers, and illumination systems for shooting, hunting, law enforcement, and military use. The company 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. Holosun later expanded its catalog with products such as the 510C and the 507C and 508T series, building a broad presence across rifle, pistol, and laser aiming categories.

The brand is especially known for practical electronic sight technologies including Shake Awake, Solar Failsafe, and the Multi-Reticle System. It also introduced its LE and LS laser series and Super Green LED technology in 2018. Holosun’s reputation in this segment comes from combining compact electronic optics with user-focused features, broad mounting compatibility, and durable construction suited to both sporting and professional rifle setups.

Main Features

• Product type: Full tube red dot sight with HM3X magnifier
• Magnification: 1x
• Window size: 26 mm
• Reticle position: 1. focal plane - FFP
• Reticle illumination: Yes
• Dot size: 2.00 MOA
• Adjustment per click: 14mm/100m - 1/2MOA
• Windage range: 14.45 mrad / 50.00 MOA
• Parallax setting: Parallax-free
• Adjustable intensity: Yes
• Power supply: CR2032
• Battery life: 50000.00 h
• Housing material: Aluminium
• Lens coating: Multicoated
• Length: 73.00 mm
• Width: 43.00 mm
• Height: 69.00 mm
• Weight: 125.00 g
• Working temperature range: -30°C to +60°C
• Filled with: Nitrogen
• Waterproof: Yes
• Fogproof: Yes
• Shockproof: Yes

Warranty

10 years on the sight, as stated for this product. Holosun also states a separate 3-year warranty for electronic components.

In the Box

• ARO-EVO-SPR-RD
• HM3X magnifier
• 1.63 in mount
• 1.05 in mount
• Lens cloth
• Multi-tool
• Manual
• Warranty card