Sightmark SM26030 Volta Solar Red Dot Sight - 1x28mm, 2 MOA, Matte Black

The Sightmark SM26030 Volta Solar Red Dot Sight is a 1x28mm dual-power reflex sight built for shooters who want redundancy without compromise. It runs on both solar cells and 2x AAA batteries, so you're never left dark on the range or in the field. The covered reflex design is tougher than open-frame units—scratch-resistant AR-coated glass protects the optic from everyday wear, and the aluminum body is built to handle recoil up to .338 Win Mag. If you're running a tactical rifle, hunting rifle, or any platform on a Picatinny rail, this sight adapts to your setup with adjustable mount heights and cowitness options.

The Eclipse Light Management System is the real star here: it reads your shooting environment and automatically adjusts the 2 MOA red dot's brightness across ten settings, so you're not manually tweaking brightness between bright sun and dark timber. The reticle stays sharp either way. Unlimited eye relief means your head position doesn't matter—shoot with both eyes open or lean in tight. One-click half-MOA adjustments let you dial elevation and windage from a single-sided access point, and 120 MOA elevation and 160 MOA windage give you room to work at distance or dial close.

Durability is serious: IP67 waterproofing and fog-proof design handle wet conditions, the sight is shockproof to 1 meter, and it runs in temperatures from −4°F to 140°F. Solar power runs indefinitely in daylight; if you need batteries, AAA cells deliver 800 hours on high brightness or 400,000 hours on low. At 7.3 ounces and just over 3 inches long, it's light enough for rifles that matter and tough enough for the abuse hunting and shooting demand.

Key Features

• Dual-power: solar cells plus 2x AAA battery backup for continuous operation
• Eclipse Light Management System automatically adjusts dot brightness to ambient light
• 2 MOA red dot reticle with ten brightness settings
• Unlimited eye relief for flexible shooting positions and both-eyes-open shooting
• Covered reflex design with AR-coated glass—more rugged than open-frame sights
• Single-sided windage and elevation adjustment, 1/2 MOA per click
• Adjustable-mount-height system with low Picatinny and absolute cowitness options
• IP67 waterproof, fog-proof, and shockproof to 1 meter
• Operates in extreme temperatures: −4°F to 140°F
• Rated for recoil up to .338 Win Mag

Specifications

Frequently Asked Questions

Will the Volta work without batteries?

Yes. The solar cells on top provide continuous power in daylight or bright indoor lighting. You can shoot all day on solar power alone. The 2x AAA batteries serve as a backup for low-light or indoor range sessions, so you're never forced to rely on one power source.

What rifles and platforms does this sight fit?

The Sightmark Volta mounts on any Picatinny rail system. It ships with a low Picatinny mount and an absolute cowitness option, so it works on AR-15s, AR-10s, and other modern rifles with standard rails. The adjustable mount height lets you dial in the right sight picture for your setup.

How does the Eclipse brightness system work?

The Eclipse Light Management System reads ambient light automatically and adjusts the red dot brightness across ten settings without you having to touch anything. In bright sun, it cranks up. In shade or indoors, it dials down. You can also override it with manual digital controls if you prefer to set brightness yourself.

Is this sight waterproof and rugged enough for hunting?

Absolutely. It carries an IP67 waterproof rating, is fog-proof, and shockproof to 1 meter. The covered reflex design and AR-coated glass are tougher than open-frame sights. It handles temperatures from −4°F to 140°F and is rated for recoil up to .338 Win Mag, so it can take the punishment of serious hunting and shooting.